source: MOLES/trunk/Vocabs/GCMDValids/Sources.xml @ 326

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1<list>
2<dgStructuredKeyword><dgValidTerm>ACARS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>1</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>ACARS Ground Receiving Station</definition></dgStructuredKeyword>
3<dgStructuredKeyword><dgValidTerm>ACE</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>2</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Advanced Composition Explorer (ACE)</definition></dgStructuredKeyword>
4<dgStructuredKeyword><dgValidTerm>ACRIMSAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>3</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Active Cavity Radiometer Irradiance Monitor Satellite</definition></dgStructuredKeyword>
5<dgStructuredKeyword><dgValidTerm>AD-A</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>4</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Atmosphere Dynamics A (Explorer 19)</definition></dgStructuredKeyword>
6<dgStructuredKeyword><dgValidTerm>AD-B</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>5</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Atmosphere Dynamics B (Explorer 24)</definition></dgStructuredKeyword>
7<dgStructuredKeyword><dgValidTerm>AD-C</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>6</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Atmosphere Dynamics B (Explorer 39)</definition></dgStructuredKeyword>
8<dgStructuredKeyword><dgValidTerm>ADEOS-I</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>7</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Advanced Earth Observing Satellite-I</definition></dgStructuredKeyword>
9<dgStructuredKeyword><dgValidTerm>ADEOS-II</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>8</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Advanced Earth Observing Satellite-II</definition></dgStructuredKeyword>
10<dgStructuredKeyword><dgValidTerm>AE-A</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>9</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Atmosphere Explorer A (Explorer 17)</definition></dgStructuredKeyword>
11<dgStructuredKeyword><dgValidTerm>AE-B</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>10</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Atmosphere Explorer B (Explorer 32)</definition></dgStructuredKeyword>
12<dgStructuredKeyword><dgValidTerm>AE-C</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>11</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Atmosphere Explorer C (Explorer 51)</definition></dgStructuredKeyword>
13<dgStructuredKeyword><dgValidTerm>AE-D</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>12</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Atmosphere Explorer D (Explorer 54)</definition></dgStructuredKeyword>
14<dgStructuredKeyword><dgValidTerm>AE-E</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>13</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Atmosphere Explorer E (Explorer 55)</definition></dgStructuredKeyword>
15<dgStructuredKeyword><dgValidTerm>AEM-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>14</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Applications Explorer Mission-1</definition></dgStructuredKeyword>
16<dgStructuredKeyword><dgValidTerm>AEM-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>15</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Applications Explorer Mission-2</definition></dgStructuredKeyword>
17<dgStructuredKeyword><dgValidTerm>AEM-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>16</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Applications Explorer Mission-3</definition></dgStructuredKeyword>
18<dgStructuredKeyword><dgValidTerm>AEROS-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>17</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
19<dgStructuredKeyword><dgValidTerm>AEROS-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>18</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
20<dgStructuredKeyword><dgValidTerm>AEROSONDE</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>19</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
21<dgStructuredKeyword><dgValidTerm>AES</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>20</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Atmospheric Environment Service</definition></dgStructuredKeyword>
22<dgStructuredKeyword><dgValidTerm>AIR PHOTOGRAPHS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>21</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
23<dgStructuredKeyword><dgValidTerm>AIRCRAFT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>22</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
24<dgStructuredKeyword><dgValidTerm>AJISAI</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>23</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Experimental Geodetic Satellite (Japanese EGS)</definition></dgStructuredKeyword>
25<dgStructuredKeyword><dgValidTerm>ALOS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>24</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Advanced Land Observing Satellite</definition></dgStructuredKeyword>
26<dgStructuredKeyword><dgValidTerm>ALOUETTE-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>25</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
27<dgStructuredKeyword><dgValidTerm>ALOUETTE-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>26</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
28<dgStructuredKeyword><dgValidTerm>ANTHMS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>27</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Antarctic Hydrometric Stations</definition></dgStructuredKeyword>
29<dgStructuredKeyword><dgValidTerm>APOLLO</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>28</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
30<dgStructuredKeyword><dgValidTerm>APOLLO-SOYUZ</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>29</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
31<dgStructuredKeyword><dgValidTerm>AQUA</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>30</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Earth Observing System, AQUA</definition></dgStructuredKeyword>
32<dgStructuredKeyword><dgValidTerm>ARGON</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>31</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
33<dgStructuredKeyword><dgValidTerm>ARGOS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>32</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>ARGOS Data Collection and Position Location System</definition></dgStructuredKeyword>
34<dgStructuredKeyword><dgValidTerm>ARWS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>33</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Automatic Remote Weather Station</definition></dgStructuredKeyword>
35<dgStructuredKeyword><dgValidTerm>ASOS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>34</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Automated Surface Observing System</definition></dgStructuredKeyword>
36<dgStructuredKeyword><dgValidTerm>ATLAS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>35</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Atmospheric Laboratory for Applications and Science</definition></dgStructuredKeyword>
37<dgStructuredKeyword><dgValidTerm>ATLAS MOORINGS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>36</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Autonomous Temperature Line Acquisition System</definition></dgStructuredKeyword>
38<dgStructuredKeyword><dgValidTerm>ATS-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>37</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Advanced Technology Satellite-1</definition></dgStructuredKeyword>
39<dgStructuredKeyword><dgValidTerm>ATS-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>38</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Advanced Technology Satellite-2</definition></dgStructuredKeyword>
40<dgStructuredKeyword><dgValidTerm>ATS-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>39</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Advanced Technology Satellite-3</definition></dgStructuredKeyword>
41<dgStructuredKeyword><dgValidTerm>ATS-4</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>40</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Advanced Technology Satellite-4</definition></dgStructuredKeyword>
42<dgStructuredKeyword><dgValidTerm>AVAPS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>41</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Airborne Vertical Atmosphere Profiling System</definition></dgStructuredKeyword>
43<dgStructuredKeyword><dgValidTerm>AWOS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>42</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Automated Weather Observing System</definition></dgStructuredKeyword>
44<dgStructuredKeyword><dgValidTerm>BALLOONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>43</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
45<dgStructuredKeyword><dgValidTerm>BAPMON</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>44</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Background Air Pollution Monitoring Stations</definition></dgStructuredKeyword>
46<dgStructuredKeyword><dgValidTerm>BE-B</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>45</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Beacon Explorer-B</definition></dgStructuredKeyword>
47<dgStructuredKeyword><dgValidTerm>BE-C</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>46</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Beacon Explorer-C</definition></dgStructuredKeyword>
48<dgStructuredKeyword><dgValidTerm>BUOYS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>47</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
49<dgStructuredKeyword><dgValidTerm>C-MAN</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>48</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Coastal Marine Network</definition></dgStructuredKeyword>
50<dgStructuredKeyword><dgValidTerm>CBERS-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>49</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>China-Brazil Earth Resource Satellite 1</definition></dgStructuredKeyword>
51<dgStructuredKeyword><dgValidTerm>CBERS-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>50</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>China-Brazil Earth Resource Satellite 2</definition></dgStructuredKeyword>
52<dgStructuredKeyword><dgValidTerm>CHAMP</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>51</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Challenging Minisatellite Payload</definition></dgStructuredKeyword>
53<dgStructuredKeyword><dgValidTerm>CLOUDSAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>52</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
54<dgStructuredKeyword><dgValidTerm>CMDL</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>53</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>NOAA Climate Monitoring Diagnostics Laboratory Stations</definition></dgStructuredKeyword>
55<dgStructuredKeyword><dgValidTerm>COASTAL STATIONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>54</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
56<dgStructuredKeyword><dgValidTerm>CORONA</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>55</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
57<dgStructuredKeyword><dgValidTerm>COSMOS 1500</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>56</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
58<dgStructuredKeyword><dgValidTerm>COSMOS 49</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>57</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
59<dgStructuredKeyword><dgValidTerm>CRRES</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>58</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Combined Release and Radiation Effects Satellite</definition></dgStructuredKeyword>
60<dgStructuredKeyword><dgValidTerm>CRYOSAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>59</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
61<dgStructuredKeyword><dgValidTerm>DASH-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>60</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
62<dgStructuredKeyword><dgValidTerm>DCP</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>61</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Data Collection Platform</definition></dgStructuredKeyword>
63<dgStructuredKeyword><dgValidTerm>DE-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>62</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Dynamics Explorer-1</definition></dgStructuredKeyword>
64<dgStructuredKeyword><dgValidTerm>DE-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>63</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Dynamics Explorer-2</definition></dgStructuredKeyword>
65<dgStructuredKeyword><dgValidTerm>DEM</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>64</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Digital Elevation Model</definition></dgStructuredKeyword>
66<dgStructuredKeyword><dgValidTerm>DIADEM-1C</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>65</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
67<dgStructuredKeyword><dgValidTerm>DIADEM-1D</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>66</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
68<dgStructuredKeyword><dgValidTerm>DMSP</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>67</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program</definition></dgStructuredKeyword>
69<dgStructuredKeyword><dgValidTerm>DMSP 5B/F3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>68</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F3</definition></dgStructuredKeyword>
70<dgStructuredKeyword><dgValidTerm>DMSP 5D-1/F1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>69</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F1</definition></dgStructuredKeyword>
71<dgStructuredKeyword><dgValidTerm>DMSP 5D-1/F2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>70</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F2</definition></dgStructuredKeyword>
72<dgStructuredKeyword><dgValidTerm>DMSP 5D-1/F3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>71</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F3</definition></dgStructuredKeyword>
73<dgStructuredKeyword><dgValidTerm>DMSP 5D-1/F4</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>72</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F4</definition></dgStructuredKeyword>
74<dgStructuredKeyword><dgValidTerm>DMSP 5D-2/F10</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>73</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F10</definition></dgStructuredKeyword>
75<dgStructuredKeyword><dgValidTerm>DMSP 5D-2/F11</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>74</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F11</definition></dgStructuredKeyword>
76<dgStructuredKeyword><dgValidTerm>DMSP 5D-2/F12</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>75</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F12</definition></dgStructuredKeyword>
77<dgStructuredKeyword><dgValidTerm>DMSP 5D-2/F13</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>76</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F13</definition></dgStructuredKeyword>
78<dgStructuredKeyword><dgValidTerm>DMSP 5D-2/F14</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>77</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F14</definition></dgStructuredKeyword>
79<dgStructuredKeyword><dgValidTerm>DMSP 5D-2/F15</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>78</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F15</definition></dgStructuredKeyword>
80<dgStructuredKeyword><dgValidTerm>DMSP 5D-2/F7</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>79</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F7</definition></dgStructuredKeyword>
81<dgStructuredKeyword><dgValidTerm>DMSP 5D-2/F8</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>80</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F8</definition></dgStructuredKeyword>
82<dgStructuredKeyword><dgValidTerm>DMSP 5D-2/F9</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>81</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Defense Meteorological Satellite Program-F9</definition></dgStructuredKeyword>
83<dgStructuredKeyword><dgValidTerm>DRILLING PLATFORMS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>82</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
84<dgStructuredKeyword><dgValidTerm>DROPWINDSONDES</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>83</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
85<dgStructuredKeyword><dgValidTerm>ECHO-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>84</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
86<dgStructuredKeyword><dgValidTerm>ECHO-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>85</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
87<dgStructuredKeyword><dgValidTerm>ENVISAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>86</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Environmental Satellite</definition></dgStructuredKeyword>
88<dgStructuredKeyword><dgValidTerm>EO-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>87</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Earth Orbiter-1</definition></dgStructuredKeyword>
89<dgStructuredKeyword><dgValidTerm>EOLE</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>88</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
90<dgStructuredKeyword><dgValidTerm>EOS AURA</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>89</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Earth Observing System - Aura</definition></dgStructuredKeyword>
91<dgStructuredKeyword><dgValidTerm>EOS CHEM</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>90</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Earth Observing System - Chemistry</definition></dgStructuredKeyword>
92<dgStructuredKeyword><dgValidTerm>EOS CHEM-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>91</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Earth Observing System, Chemistry Series</definition></dgStructuredKeyword>
93<dgStructuredKeyword><dgValidTerm>EOS PM-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>92</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Earth Observing System, PM-1</definition></dgStructuredKeyword>
94<dgStructuredKeyword><dgValidTerm>EP-TOMS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>93</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Earth Probe-TOMS</definition></dgStructuredKeyword>
95<dgStructuredKeyword><dgValidTerm>ERBS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>94</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Earth Radiation Budget Satellite</definition></dgStructuredKeyword>
96<dgStructuredKeyword><dgValidTerm>ERS-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>95</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>European Remote Sensing Satellite-1</definition></dgStructuredKeyword>
97<dgStructuredKeyword><dgValidTerm>ERS-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>96</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>European Remote Sensing Satellite-2</definition></dgStructuredKeyword>
98<dgStructuredKeyword><dgValidTerm>ESSA</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>97</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Environmental Science Services Administration</definition></dgStructuredKeyword>
99<dgStructuredKeyword><dgValidTerm>ETALON-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>98</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
100<dgStructuredKeyword><dgValidTerm>ETALON-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>99</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
101<dgStructuredKeyword><dgValidTerm>EXOS-A</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>100</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
102<dgStructuredKeyword><dgValidTerm>EXPLORER 9</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>101</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Air Density Balloon</definition></dgStructuredKeyword>
103<dgStructuredKeyword><dgValidTerm>EXPLORER-33</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>102</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Interplanetary Monitoring Platform D (IMP-D)</definition></dgStructuredKeyword>
104<dgStructuredKeyword><dgValidTerm>EXPLORER-35</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>103</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Interplanetary Monitoring Platform D (IMP-E)</definition></dgStructuredKeyword>
105<dgStructuredKeyword><dgValidTerm>FDSN</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>104</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Federation of Digital Seismographic Networks</definition></dgStructuredKeyword>
106<dgStructuredKeyword><dgValidTerm>FEDSAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>105</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
107<dgStructuredKeyword><dgValidTerm>FIELD INVESTIGATION</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>106</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
108<dgStructuredKeyword><dgValidTerm>FIELD SURVEYS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>107</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
109<dgStructuredKeyword><dgValidTerm>FIXED OBSERVATION STATIONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>108</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
110<dgStructuredKeyword><dgValidTerm>FY-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>109</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>China's Meteorological Satellite-1</definition></dgStructuredKeyword>
111<dgStructuredKeyword><dgValidTerm>FY-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>110</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>China's  Meteorological Satellite-2</definition></dgStructuredKeyword>
112<dgStructuredKeyword><dgValidTerm>GCM</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>111</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>General Circulation Model</definition></dgStructuredKeyword>
113<dgStructuredKeyword><dgValidTerm>GEMINI</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>112</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
114<dgStructuredKeyword><dgValidTerm>GEMINI-10</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>113</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
115<dgStructuredKeyword><dgValidTerm>GEMINI-11</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>114</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
116<dgStructuredKeyword><dgValidTerm>GEMINI-12</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>115</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
117<dgStructuredKeyword><dgValidTerm>GEMINI-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>116</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
118<dgStructuredKeyword><dgValidTerm>GEMINI-4</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>117</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
119<dgStructuredKeyword><dgValidTerm>GEMINI-5</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>118</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
120<dgStructuredKeyword><dgValidTerm>GEMINI-6</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>119</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
121<dgStructuredKeyword><dgValidTerm>GEMINI-7</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>120</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
122<dgStructuredKeyword><dgValidTerm>GEMINI-8</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>121</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
123<dgStructuredKeyword><dgValidTerm>GEMINI-9</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>122</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
124<dgStructuredKeyword><dgValidTerm>GEODYNAMIC STATIONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>123</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
125<dgStructuredKeyword><dgValidTerm>GEOMAGNETIC STATIONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>124</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
126<dgStructuredKeyword><dgValidTerm>GEOMET</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>125</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>USGS Desert Winds Geological/Meteorological Ground Station</definition></dgStructuredKeyword>
127<dgStructuredKeyword><dgValidTerm>GEOS-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>126</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geodetic Earth Orbiting Satellite-1</definition></dgStructuredKeyword>
128<dgStructuredKeyword><dgValidTerm>GEOS-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>127</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geodetic Earth Orbiting Satellite-2</definition></dgStructuredKeyword>
129<dgStructuredKeyword><dgValidTerm>GEOS-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>128</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geodetic Earth Orbiting Satellite-3</definition></dgStructuredKeyword>
130<dgStructuredKeyword><dgValidTerm>GEOSAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>129</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geodetic Satellite</definition></dgStructuredKeyword>
131<dgStructuredKeyword><dgValidTerm>GEOSTATIONARY SATELLITES</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>130</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
132<dgStructuredKeyword><dgValidTerm>GFO-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>131</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>GEOSAT FOLLOW-ON-1</definition></dgStructuredKeyword>
133<dgStructuredKeyword><dgValidTerm>GFZ-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>132</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>GeoForschungsZentrum-1</definition></dgStructuredKeyword>
134<dgStructuredKeyword><dgValidTerm>GLONASS-40-82</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>133</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Global Navigation Satellite System 40-82</definition></dgStructuredKeyword>
135<dgStructuredKeyword><dgValidTerm>GMCC</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>134</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>NOAA Geophysical Monitoring for Climatic Change Stations</definition></dgStructuredKeyword>
136<dgStructuredKeyword><dgValidTerm>GMS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>135</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Japan Geostationary Meteorological Satellite</definition></dgStructuredKeyword>
137<dgStructuredKeyword><dgValidTerm>GMS-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>136</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Meteorological Satellite-1</definition></dgStructuredKeyword>
138<dgStructuredKeyword><dgValidTerm>GMS-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>137</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Meteorological Satellite-2</definition></dgStructuredKeyword>
139<dgStructuredKeyword><dgValidTerm>GMS-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>138</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Meteorological Satellite-3</definition></dgStructuredKeyword>
140<dgStructuredKeyword><dgValidTerm>GMS-4</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>139</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Meteorological Satellite-4</definition></dgStructuredKeyword>
141<dgStructuredKeyword><dgValidTerm>GMS-5</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>140</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Meteorological Satellite-5</definition></dgStructuredKeyword>
142<dgStructuredKeyword><dgValidTerm>GOES</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>141</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>NOAA Geostationary Operational Environmental Satellites</definition></dgStructuredKeyword>
143<dgStructuredKeyword><dgValidTerm>GOES-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>142</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Operational Environmental Satellite 1</definition></dgStructuredKeyword>
144<dgStructuredKeyword><dgValidTerm>GOES-10</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>143</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Operational Environmental Satellite 10</definition></dgStructuredKeyword>
145<dgStructuredKeyword><dgValidTerm>GOES-11</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>144</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Operational Environmental Satellite 11</definition></dgStructuredKeyword>
146<dgStructuredKeyword><dgValidTerm>GOES-12</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>145</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Operational Environmental Satellite 12</definition></dgStructuredKeyword>
147<dgStructuredKeyword><dgValidTerm>GOES-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>146</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Operational Environmental Satellite 2</definition></dgStructuredKeyword>
148<dgStructuredKeyword><dgValidTerm>GOES-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>147</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Operational Environmental Satellite 3</definition></dgStructuredKeyword>
149<dgStructuredKeyword><dgValidTerm>GOES-4</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>148</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Operational Environmental Satellite 4</definition></dgStructuredKeyword>
150<dgStructuredKeyword><dgValidTerm>GOES-5</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>149</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Operational Environmental Satellite 5</definition></dgStructuredKeyword>
151<dgStructuredKeyword><dgValidTerm>GOES-6</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>150</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Operational Environmental Satellite 6</definition></dgStructuredKeyword>
152<dgStructuredKeyword><dgValidTerm>GOES-7</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>151</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Operational Environmental Satellite 7</definition></dgStructuredKeyword>
153<dgStructuredKeyword><dgValidTerm>GOES-8</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>152</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Operational Environmental Satellite 8</definition></dgStructuredKeyword>
154<dgStructuredKeyword><dgValidTerm>GOES-9</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>153</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Operational Environmental Satellite 9</definition></dgStructuredKeyword>
155<dgStructuredKeyword><dgValidTerm>GOMS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>154</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Geostationary Operational Meteorological Satellite</definition></dgStructuredKeyword>
156<dgStructuredKeyword><dgValidTerm>GONG NETWORK</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>155</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Global Oscillation Network Group</definition></dgStructuredKeyword>
157<dgStructuredKeyword><dgValidTerm>GPS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>156</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Global Positioning System Satellites</definition></dgStructuredKeyword>
158<dgStructuredKeyword><dgValidTerm>GPS-35</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>157</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Global Positioning System Satellites-35</definition></dgStructuredKeyword>
159<dgStructuredKeyword><dgValidTerm>GPS-36</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>158</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Global Positioning System Satellites-36</definition></dgStructuredKeyword>
160<dgStructuredKeyword><dgValidTerm>GRACE</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>159</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Gravity Recovery and Climate Experiment</definition></dgStructuredKeyword>
161<dgStructuredKeyword><dgValidTerm>GRAVITY STATIONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>160</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
162<dgStructuredKeyword><dgValidTerm>GRO</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>161</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Gamma-Ray Observatory</definition></dgStructuredKeyword>
163<dgStructuredKeyword><dgValidTerm>GROUND STATIONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>162</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
164<dgStructuredKeyword><dgValidTerm>GROUND-BASED OBSERVATIONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>163</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
165<dgStructuredKeyword><dgValidTerm>GSN</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>164</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Global Seismic Network</definition></dgStructuredKeyword>
166<dgStructuredKeyword><dgValidTerm>HAGGLUND</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>165</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>NZAP Hagglund Oversnow Vehicle</definition></dgStructuredKeyword>
167<dgStructuredKeyword><dgValidTerm>HATDL</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>166</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Hobo XT Air Temperature Logger</definition></dgStructuredKeyword>
168<dgStructuredKeyword><dgValidTerm>HCMM</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>167</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Heat Capacity Mapping Mission</definition></dgStructuredKeyword>
169<dgStructuredKeyword><dgValidTerm>HELICOPTER</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>168</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
170<dgStructuredKeyword><dgValidTerm>HESSI</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>169</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>High Energy Solar Spectroscopic Imager</definition></dgStructuredKeyword>
171<dgStructuredKeyword><dgValidTerm>ICESAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>170</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Ice, Cloud and Land Elevation Satellite</definition></dgStructuredKeyword>
172<dgStructuredKeyword><dgValidTerm>IKONOS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>171</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
173<dgStructuredKeyword><dgValidTerm>IMAGE</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>172</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Imager for Magnetopause -to - Aurora Global Exploration</definition></dgStructuredKeyword>
174<dgStructuredKeyword><dgValidTerm>IMP-8</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>173</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Interplanetary Monitoring Platform-8</definition></dgStructuredKeyword>
175<dgStructuredKeyword><dgValidTerm>IMP-I</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>174</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Interplanetary Monitoring Platform-I</definition></dgStructuredKeyword>
176<dgStructuredKeyword><dgValidTerm>INSAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>175</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Indian National Satellite</definition></dgStructuredKeyword>
177<dgStructuredKeyword><dgValidTerm>INSAT-1A</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>176</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Indian National Satellite-1A</definition></dgStructuredKeyword>
178<dgStructuredKeyword><dgValidTerm>INSAT-1B</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>177</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Indian National Satellite-1B</definition></dgStructuredKeyword>
179<dgStructuredKeyword><dgValidTerm>IRAS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>178</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Infrared Astronomy Satellite</definition></dgStructuredKeyword>
180<dgStructuredKeyword><dgValidTerm>IRIS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>179</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Incorporated Research Institutions for Seismology Network</definition></dgStructuredKeyword>
181<dgStructuredKeyword><dgValidTerm>IRS-1A</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>180</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Indian Remote Sensing Satellite-1A</definition></dgStructuredKeyword>
182<dgStructuredKeyword><dgValidTerm>IRS-1B</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>181</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Indian Remote Sensing Satellite-1B</definition></dgStructuredKeyword>
183<dgStructuredKeyword><dgValidTerm>IRS-1C</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>182</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Indian Remote Sensing Satellite-1C</definition></dgStructuredKeyword>
184<dgStructuredKeyword><dgValidTerm>IRS-P3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>183</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Indian ISRO IRS-P3 Spacecraft</definition></dgStructuredKeyword>
185<dgStructuredKeyword><dgValidTerm>ISIS-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>184</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>International Satellite for Ionospheric Studies-1</definition></dgStructuredKeyword>
186<dgStructuredKeyword><dgValidTerm>ISIS-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>185</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>International Satellite for Ionospheric Studies-2</definition></dgStructuredKeyword>
187<dgStructuredKeyword><dgValidTerm>ISS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>186</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>International Space Station</definition></dgStructuredKeyword>
188<dgStructuredKeyword><dgValidTerm>JASON-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>187</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
189<dgStructuredKeyword><dgValidTerm>JERS-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>188</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Japanese Earth Resources Satellite-1</definition></dgStructuredKeyword>
190<dgStructuredKeyword><dgValidTerm>LABORATORY</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>189</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
191<dgStructuredKeyword><dgValidTerm>LAGEOS-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>190</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Laser Geodetic Satellite-1</definition></dgStructuredKeyword>
192<dgStructuredKeyword><dgValidTerm>LAGEOS-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>191</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Laser Geodetic Satellite-2</definition></dgStructuredKeyword>
193<dgStructuredKeyword><dgValidTerm>LANDSAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>192</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
194<dgStructuredKeyword><dgValidTerm>LANDSAT-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>193</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
195<dgStructuredKeyword><dgValidTerm>LANDSAT-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>194</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
196<dgStructuredKeyword><dgValidTerm>LANDSAT-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>195</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
197<dgStructuredKeyword><dgValidTerm>LANDSAT-4</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>196</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
198<dgStructuredKeyword><dgValidTerm>LANDSAT-5</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>197</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
199<dgStructuredKeyword><dgValidTerm>LANDSAT-7</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>198</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
200<dgStructuredKeyword><dgValidTerm>LANYARD</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>199</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
201<dgStructuredKeyword><dgValidTerm>LPATS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>200</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Lightning Positioning and Tracking System Network</definition></dgStructuredKeyword>
202<dgStructuredKeyword><dgValidTerm>MAGSAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>201</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
203<dgStructuredKeyword><dgValidTerm>MAPS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>202</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
204<dgStructuredKeyword><dgValidTerm>MAXIS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>203</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>MeV Auroral X-ray Imaging and Spectroscopy</definition></dgStructuredKeyword>
205<dgStructuredKeyword><dgValidTerm>MESONET</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>204</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Mesoscale Meteorological Network</definition></dgStructuredKeyword>
206<dgStructuredKeyword><dgValidTerm>METEOR 2-21</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>205</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
207<dgStructuredKeyword><dgValidTerm>METEOR-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>206</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
208<dgStructuredKeyword><dgValidTerm>METEOR-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>207</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
209<dgStructuredKeyword><dgValidTerm>METEOR-3M</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>208</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
210<dgStructuredKeyword><dgValidTerm>METEOROLOGICAL STATIONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>209</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
211<dgStructuredKeyword><dgValidTerm>METEOSAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>210</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
212<dgStructuredKeyword><dgValidTerm>METEOSAT-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>211</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
213<dgStructuredKeyword><dgValidTerm>METEOSAT-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>212</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
214<dgStructuredKeyword><dgValidTerm>METEOSAT-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>213</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
215<dgStructuredKeyword><dgValidTerm>METEOSAT-4</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>214</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Meteosat Operational Programme 1 (MOP-1)</definition></dgStructuredKeyword>
216<dgStructuredKeyword><dgValidTerm>METEOSAT-5</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>215</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Meteosat Operational Programme 2 (MOP-2)</definition></dgStructuredKeyword>
217<dgStructuredKeyword><dgValidTerm>METEOSAT-6</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>216</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Meteosat Operational Programme 3 (MOP-3)</definition></dgStructuredKeyword>
218<dgStructuredKeyword><dgValidTerm>METEOSAT-7</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>217</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
219<dgStructuredKeyword><dgValidTerm>METOP</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>218</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Meteorological Operational Satelite</definition></dgStructuredKeyword>
220<dgStructuredKeyword><dgValidTerm>MICROLAB-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>219</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>OSC Microlab-1 Satellite</definition></dgStructuredKeyword>
221<dgStructuredKeyword><dgValidTerm>MIDAS 2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>220</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Missile Defense Alarm System 2</definition></dgStructuredKeyword>
222<dgStructuredKeyword><dgValidTerm>MIO</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>221</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Mobile Ionospheric Observatory</definition></dgStructuredKeyword>
223<dgStructuredKeyword><dgValidTerm>MIPS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>222</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Mobile Integrated Profiling System</definition></dgStructuredKeyword>
224<dgStructuredKeyword><dgValidTerm>MIR-PRIRODA</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>223</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>PRIRODA Module of MIR Space Station</definition></dgStructuredKeyword>
225<dgStructuredKeyword><dgValidTerm>MODELS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>224</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
226<dgStructuredKeyword><dgValidTerm>MOORINGS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>225</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
227<dgStructuredKeyword><dgValidTerm>MOS-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>226</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Japanese Marine Observation Satellite 1</definition></dgStructuredKeyword>
228<dgStructuredKeyword><dgValidTerm>MOS-1B</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>227</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Japanese Marine Observation Satellite-1B</definition></dgStructuredKeyword>
229<dgStructuredKeyword><dgValidTerm>MSTI-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>228</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Miniature Sensor Technology Integration-2</definition></dgStructuredKeyword>
230<dgStructuredKeyword><dgValidTerm>NAVSTAR</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>229</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>NAVSTAR Global Positioning System</definition></dgStructuredKeyword>
231<dgStructuredKeyword><dgValidTerm>NEUTRON MONITOR STATIONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>230</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
232<dgStructuredKeyword><dgValidTerm>NIMBUS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>231</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
233<dgStructuredKeyword><dgValidTerm>NIMBUS-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>232</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
234<dgStructuredKeyword><dgValidTerm>NIMBUS-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>233</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
235<dgStructuredKeyword><dgValidTerm>NIMBUS-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>234</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
236<dgStructuredKeyword><dgValidTerm>NIMBUS-4</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>235</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
237<dgStructuredKeyword><dgValidTerm>NIMBUS-5</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>236</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
238<dgStructuredKeyword><dgValidTerm>NIMBUS-6</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>237</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
239<dgStructuredKeyword><dgValidTerm>NIMBUS-7</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>238</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
240<dgStructuredKeyword><dgValidTerm>NOAA POES</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>239</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>NOAA Polar Orbiting Environmental Satellites</definition></dgStructuredKeyword>
241<dgStructuredKeyword><dgValidTerm>NOAA-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>240</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-1</definition></dgStructuredKeyword>
242<dgStructuredKeyword><dgValidTerm>NOAA-10</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>241</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-10</definition></dgStructuredKeyword>
243<dgStructuredKeyword><dgValidTerm>NOAA-11</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>242</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-11</definition></dgStructuredKeyword>
244<dgStructuredKeyword><dgValidTerm>NOAA-12</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>243</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-12</definition></dgStructuredKeyword>
245<dgStructuredKeyword><dgValidTerm>NOAA-13</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>244</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-13</definition></dgStructuredKeyword>
246<dgStructuredKeyword><dgValidTerm>NOAA-14</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>245</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-14</definition></dgStructuredKeyword>
247<dgStructuredKeyword><dgValidTerm>NOAA-15</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>246</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-15</definition></dgStructuredKeyword>
248<dgStructuredKeyword><dgValidTerm>NOAA-16</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>247</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-16</definition></dgStructuredKeyword>
249<dgStructuredKeyword><dgValidTerm>NOAA-17</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>248</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-17</definition></dgStructuredKeyword>
250<dgStructuredKeyword><dgValidTerm>NOAA-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>249</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-2</definition></dgStructuredKeyword>
251<dgStructuredKeyword><dgValidTerm>NOAA-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>250</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-3</definition></dgStructuredKeyword>
252<dgStructuredKeyword><dgValidTerm>NOAA-4</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>251</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-4</definition></dgStructuredKeyword>
253<dgStructuredKeyword><dgValidTerm>NOAA-5</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>252</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-5</definition></dgStructuredKeyword>
254<dgStructuredKeyword><dgValidTerm>NOAA-6</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>253</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-6</definition></dgStructuredKeyword>
255<dgStructuredKeyword><dgValidTerm>NOAA-7</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>254</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-7</definition></dgStructuredKeyword>
256<dgStructuredKeyword><dgValidTerm>NOAA-8</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>255</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-8</definition></dgStructuredKeyword>
257<dgStructuredKeyword><dgValidTerm>NOAA-9</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>256</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Oceanic &amp; Atmospheric Administration-9</definition></dgStructuredKeyword>
258<dgStructuredKeyword><dgValidTerm>NPOESS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>257</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Polar-orbiting Operational Environmental Satellite System</definition></dgStructuredKeyword>
259<dgStructuredKeyword><dgValidTerm>NSRN</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>258</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>NOAA Solar Radiation Network</definition></dgStructuredKeyword>
260<dgStructuredKeyword><dgValidTerm>NWS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>259</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>National Weather Service</definition></dgStructuredKeyword>
261<dgStructuredKeyword><dgValidTerm>OBSERVATORIES</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>260</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
262<dgStructuredKeyword><dgValidTerm>OCEAN PLATFORMS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>261</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
263<dgStructuredKeyword><dgValidTerm>OCEAN WEATHER STATIONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>262</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
264<dgStructuredKeyword><dgValidTerm>ODIN</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>263</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
265<dgStructuredKeyword><dgValidTerm>OGO-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>264</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Geophysical Observatory-1</definition></dgStructuredKeyword>
266<dgStructuredKeyword><dgValidTerm>OGO-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>265</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Geophysical Observatory-2</definition></dgStructuredKeyword>
267<dgStructuredKeyword><dgValidTerm>OGO-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>266</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Geophysical Observatory-3</definition></dgStructuredKeyword>
268<dgStructuredKeyword><dgValidTerm>OGO-4</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>267</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Geophysical Observatory-4</definition></dgStructuredKeyword>
269<dgStructuredKeyword><dgValidTerm>OGO-5</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>268</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Geophysical Observatory-5</definition></dgStructuredKeyword>
270<dgStructuredKeyword><dgValidTerm>OGO-6</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>269</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Geophysical Observatory-6</definition></dgStructuredKeyword>
271<dgStructuredKeyword><dgValidTerm>OKEAN-O</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>270</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Ukranian-Russian Ocean Remote Sensing System</definition></dgStructuredKeyword>
272<dgStructuredKeyword><dgValidTerm>ORBVIEW-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>271</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbital Sciences Corporation OrbView-2 Satellite</definition></dgStructuredKeyword>
273<dgStructuredKeyword><dgValidTerm>OSO-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>272</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Solar Observatory-1</definition></dgStructuredKeyword>
274<dgStructuredKeyword><dgValidTerm>OSO-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>273</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Solar Observatory-2</definition></dgStructuredKeyword>
275<dgStructuredKeyword><dgValidTerm>OSO-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>274</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Solar Observatory-3</definition></dgStructuredKeyword>
276<dgStructuredKeyword><dgValidTerm>OSO-4</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>275</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Solar Observatory-4</definition></dgStructuredKeyword>
277<dgStructuredKeyword><dgValidTerm>OSO-5</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>276</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Solar Observatory-5</definition></dgStructuredKeyword>
278<dgStructuredKeyword><dgValidTerm>OSO-6</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>277</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Solar Observatory-6</definition></dgStructuredKeyword>
279<dgStructuredKeyword><dgValidTerm>OSO-7</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>278</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Solar Observatory-7</definition></dgStructuredKeyword>
280<dgStructuredKeyword><dgValidTerm>OSO-8</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>279</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Orbiting Solar Observatory-8</definition></dgStructuredKeyword>
281<dgStructuredKeyword><dgValidTerm>OSTA-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>280</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Office of Space &amp; Terrestrial Applications-1</definition></dgStructuredKeyword>
282<dgStructuredKeyword><dgValidTerm>OV-099</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>281</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Challenger Space Shuttle</definition></dgStructuredKeyword>
283<dgStructuredKeyword><dgValidTerm>OV-102</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>282</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Columbia Space Shuttle</definition></dgStructuredKeyword>
284<dgStructuredKeyword><dgValidTerm>OV-103</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>283</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Discovery Space Shuttle</definition></dgStructuredKeyword>
285<dgStructuredKeyword><dgValidTerm>OV-104</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>284</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Atlantis Space Shuttle</definition></dgStructuredKeyword>
286<dgStructuredKeyword><dgValidTerm>OV-105</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>285</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Endeavour Space Shuttle</definition></dgStructuredKeyword>
287<dgStructuredKeyword><dgValidTerm>PAGEOS 1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>286</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Passive Geodetic Earth Orbiting Satellite 1</definition></dgStructuredKeyword>
288<dgStructuredKeyword><dgValidTerm>PALACE FLOAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>287</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Profiling Autonomous Lagrangian Circulation Explorer</definition></dgStructuredKeyword>
289<dgStructuredKeyword><dgValidTerm>PAM</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>288</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Portable Automated Mesonet</definition></dgStructuredKeyword>
290<dgStructuredKeyword><dgValidTerm>PAM-II</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>289</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Portable Automated Mesonet II</definition></dgStructuredKeyword>
291<dgStructuredKeyword><dgValidTerm>PASSCAL</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>290</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Program for Array Seismic Studies of the Continental Lithosphere</definition></dgStructuredKeyword>
292<dgStructuredKeyword><dgValidTerm>PIBAL</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>291</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Pilot Balloons</definition></dgStructuredKeyword>
293<dgStructuredKeyword><dgValidTerm>POLAR</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>292</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>POLAR</definition></dgStructuredKeyword>
294<dgStructuredKeyword><dgValidTerm>PROFS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>293</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Program for Regional Observing and Forecast Systems Mesonet</definition></dgStructuredKeyword>
295<dgStructuredKeyword><dgValidTerm>PROTEUS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>294</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Profile Telemetry of Upper Ocean Currents</definition></dgStructuredKeyword>
296<dgStructuredKeyword><dgValidTerm>QUIKSCAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>295</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Quick Recovery Scatterometer</definition></dgStructuredKeyword>
297<dgStructuredKeyword><dgValidTerm>RADARSAT-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>296</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
298<dgStructuredKeyword><dgValidTerm>RADIO TRANSMITTERS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>297</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
299<dgStructuredKeyword><dgValidTerm>RADIOSONDES</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>298</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
300<dgStructuredKeyword><dgValidTerm>RAE-A</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>299</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Radio Astronomy Explorer-A</definition></dgStructuredKeyword>
301<dgStructuredKeyword><dgValidTerm>RAE-B</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>300</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Radio Astronomy Explorer-B (Explorer 49)</definition></dgStructuredKeyword>
302<dgStructuredKeyword><dgValidTerm>RESURS-O1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>301</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
303<dgStructuredKeyword><dgValidTerm>ROCKETS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>302</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
304<dgStructuredKeyword><dgValidTerm>SAC-A</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>303</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Satelite de Aplicaciones Cientifico - A</definition></dgStructuredKeyword>
305<dgStructuredKeyword><dgValidTerm>SAC-C</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>304</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Satelite de Aplicaciones Cientifico - C</definition></dgStructuredKeyword>
306<dgStructuredKeyword><dgValidTerm>SAGE-I</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>305</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Stratospheric Aerosol and Gas Experiment-I</definition></dgStructuredKeyword>
307<dgStructuredKeyword><dgValidTerm>SAGE-III</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>306</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Stratospheric Aerosol and Gas Experiment-III</definition></dgStructuredKeyword>
308<dgStructuredKeyword><dgValidTerm>SATELLITES</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>307</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
309<dgStructuredKeyword><dgValidTerm>SCD</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>308</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Satellites de Coleta de Dados</definition></dgStructuredKeyword>
310<dgStructuredKeyword><dgValidTerm>SCISAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>309</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Atmospheric Chemistry Experiment</definition></dgStructuredKeyword>
311<dgStructuredKeyword><dgValidTerm>SEASAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>310</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Ocean Dynamics Satellite</definition></dgStructuredKeyword>
312<dgStructuredKeyword><dgValidTerm>SEASOAR</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>311</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
313<dgStructuredKeyword><dgValidTerm>SEISMOLOGICAL STATIONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>312</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
314<dgStructuredKeyword><dgValidTerm>SHIPS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>313</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
315<dgStructuredKeyword><dgValidTerm>SID</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>314</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Sudden Ionospheric Disturbance Stations</definition></dgStructuredKeyword>
316<dgStructuredKeyword><dgValidTerm>SKYLAB</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>315</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
317<dgStructuredKeyword><dgValidTerm>SMART-R</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>316</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Shared Mobile Atmospheric Research and Teaching  Radar</definition></dgStructuredKeyword>
318<dgStructuredKeyword><dgValidTerm>SME</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>317</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Solar Mesospheric Explorer</definition></dgStructuredKeyword>
319<dgStructuredKeyword><dgValidTerm>SMM</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>318</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Solar Maximum Mission</definition></dgStructuredKeyword>
320<dgStructuredKeyword><dgValidTerm>SMS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>319</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Synchronous Meteorological Satellites</definition></dgStructuredKeyword>
321<dgStructuredKeyword><dgValidTerm>SMS-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>320</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Synchronous Meteorological Satellite 1</definition></dgStructuredKeyword>
322<dgStructuredKeyword><dgValidTerm>SMS-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>321</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Synchronous Meteorological Satellite 2</definition></dgStructuredKeyword>
323<dgStructuredKeyword><dgValidTerm>SOHO</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>322</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Solar and Heliospheric Observatory</definition></dgStructuredKeyword>
324<dgStructuredKeyword><dgValidTerm>SOLAR RADIATION STATIONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>323</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
325<dgStructuredKeyword><dgValidTerm>SOLMET</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>324</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Solar and Meteorological Stations</definition></dgStructuredKeyword>
326<dgStructuredKeyword><dgValidTerm>SOLRAD-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>325</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Solar Radiation-1</definition></dgStructuredKeyword>
327<dgStructuredKeyword><dgValidTerm>SOLRAD-10</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>326</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Solar Radiation-10</definition></dgStructuredKeyword>
328<dgStructuredKeyword><dgValidTerm>SOLRAD-7A</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>327</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Solar Radiation-7A</definition></dgStructuredKeyword>
329<dgStructuredKeyword><dgValidTerm>SOLRAD-7B</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>328</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Solar Radiation-7B</definition></dgStructuredKeyword>
330<dgStructuredKeyword><dgValidTerm>SOLRAD-8</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>329</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Solar Radiation-8</definition></dgStructuredKeyword>
331<dgStructuredKeyword><dgValidTerm>SOLRAD-9</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>330</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Solar Radiation-9</definition></dgStructuredKeyword>
332<dgStructuredKeyword><dgValidTerm>SOON</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>331</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Solar Observing Optical Network</definition></dgStructuredKeyword>
333<dgStructuredKeyword><dgValidTerm>SORCE</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>332</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Solar Radiation and Climate Experiment</definition></dgStructuredKeyword>
334<dgStructuredKeyword><dgValidTerm>SOUNDING ROCKETS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>333</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
335<dgStructuredKeyword><dgValidTerm>SOYUZ</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>334</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
336<dgStructuredKeyword><dgValidTerm>SPACE SHUTTLES</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>335</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
337<dgStructuredKeyword><dgValidTerm>SPACELAB-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>336</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
338<dgStructuredKeyword><dgValidTerm>SPACELAB-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>337</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
339<dgStructuredKeyword><dgValidTerm>SPAS-II</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>338</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Shuttle Pallet Satellite-II</definition></dgStructuredKeyword>
340<dgStructuredKeyword><dgValidTerm>SPOT-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>339</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Systeme Probatoire Pour l'Observation de la Terre-1</definition></dgStructuredKeyword>
341<dgStructuredKeyword><dgValidTerm>SPOT-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>340</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Systeme Probatoire Pour l'Observation de la Terre-2</definition></dgStructuredKeyword>
342<dgStructuredKeyword><dgValidTerm>SPOT-3</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>341</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Systeme Probatoire Pour l'Observation de la Terre-3</definition></dgStructuredKeyword>
343<dgStructuredKeyword><dgValidTerm>SPOT-4</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>342</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Systeme Probatoire Pour l'Observation de la Terre-4</definition></dgStructuredKeyword>
344<dgStructuredKeyword><dgValidTerm>SRL-1</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>343</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Radar Laboratory-1</definition></dgStructuredKeyword>
345<dgStructuredKeyword><dgValidTerm>SRL-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>344</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Radar Laboratory-2</definition></dgStructuredKeyword>
346<dgStructuredKeyword><dgValidTerm>STARLETTE</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>345</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
347<dgStructuredKeyword><dgValidTerm>STELLA</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>346</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
348<dgStructuredKeyword><dgValidTerm>STEREOGRAPHIC PHOTOGRAPHS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>347</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
349<dgStructuredKeyword><dgValidTerm>STS-11</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>348</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-11</definition></dgStructuredKeyword>
350<dgStructuredKeyword><dgValidTerm>STS-2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>349</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-2</definition></dgStructuredKeyword>
351<dgStructuredKeyword><dgValidTerm>STS-34</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>350</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-34</definition></dgStructuredKeyword>
352<dgStructuredKeyword><dgValidTerm>STS-39</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>351</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-39</definition></dgStructuredKeyword>
353<dgStructuredKeyword><dgValidTerm>STS-41</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>352</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-41</definition></dgStructuredKeyword>
354<dgStructuredKeyword><dgValidTerm>STS-41G</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>353</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-41G</definition></dgStructuredKeyword>
355<dgStructuredKeyword><dgValidTerm>STS-43</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>354</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-43</definition></dgStructuredKeyword>
356<dgStructuredKeyword><dgValidTerm>STS-45</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>355</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-45</definition></dgStructuredKeyword>
357<dgStructuredKeyword><dgValidTerm>STS-51B</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>356</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-51B</definition></dgStructuredKeyword>
358<dgStructuredKeyword><dgValidTerm>STS-51F</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>357</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Tansport System STS-51F</definition></dgStructuredKeyword>
359<dgStructuredKeyword><dgValidTerm>STS-55</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>358</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-55</definition></dgStructuredKeyword>
360<dgStructuredKeyword><dgValidTerm>STS-56</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>359</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-56</definition></dgStructuredKeyword>
361<dgStructuredKeyword><dgValidTerm>STS-59</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>360</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-59</definition></dgStructuredKeyword>
362<dgStructuredKeyword><dgValidTerm>STS-62</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>361</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-62</definition></dgStructuredKeyword>
363<dgStructuredKeyword><dgValidTerm>STS-64</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>362</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-64</definition></dgStructuredKeyword>
364<dgStructuredKeyword><dgValidTerm>STS-66</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>363</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-66</definition></dgStructuredKeyword>
365<dgStructuredKeyword><dgValidTerm>STS-68</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>364</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-68</definition></dgStructuredKeyword>
366<dgStructuredKeyword><dgValidTerm>STS-7</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>365</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-7</definition></dgStructuredKeyword>
367<dgStructuredKeyword><dgValidTerm>STS-72</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>366</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-72</definition></dgStructuredKeyword>
368<dgStructuredKeyword><dgValidTerm>STS-9</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>367</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Space Transport System STS-9</definition></dgStructuredKeyword>
369<dgStructuredKeyword><dgValidTerm>SUBMARINE</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>368</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
370<dgStructuredKeyword><dgValidTerm>SUNSAT</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>369</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Stellenbosch University Satellite</definition></dgStructuredKeyword>
371<dgStructuredKeyword><dgValidTerm>SV</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>370</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Snow Vehicle</definition></dgStructuredKeyword>
372<dgStructuredKeyword><dgValidTerm>TERRA</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>371</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Earth Observing System, TERRA (AM-1)</definition></dgStructuredKeyword>
373<dgStructuredKeyword><dgValidTerm>TIMAX</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>372</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>X-Ray Imaging Telescope</definition></dgStructuredKeyword>
374<dgStructuredKeyword><dgValidTerm>TIMED</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>373</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Thermosphere, Ionosphere, Mesosphere Energetics and Dynamics</definition></dgStructuredKeyword>
375<dgStructuredKeyword><dgValidTerm>TIPS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>374</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Tether Physics and Survivability</definition></dgStructuredKeyword>
376<dgStructuredKeyword><dgValidTerm>TIROS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>375</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Television Infrared Observation Satellite</definition></dgStructuredKeyword>
377<dgStructuredKeyword><dgValidTerm>TIROS-7</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>376</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Television Infrared Operational</definition></dgStructuredKeyword>
378<dgStructuredKeyword><dgValidTerm>TIROS-M</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>377</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Television Infrared Observation Satellite-M</definition></dgStructuredKeyword>
379<dgStructuredKeyword><dgValidTerm>TIROS-N</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>378</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Television Infrared Observation Satellite-N</definition></dgStructuredKeyword>
380<dgStructuredKeyword><dgValidTerm>TMRS2</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>379</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Tower Mounted Radiometer System 2</definition></dgStructuredKeyword>
381<dgStructuredKeyword><dgValidTerm>TOPEX/POSEIDON</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>380</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Ocean Topography Experiment</definition></dgStructuredKeyword>
382<dgStructuredKeyword><dgValidTerm>TRACE</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>381</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Transition Region and Coronal Explorer</definition></dgStructuredKeyword>
383<dgStructuredKeyword><dgValidTerm>TRITON</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>382</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>TRIangle Trans-Ocean Buoy Network</definition></dgStructuredKeyword>
384<dgStructuredKeyword><dgValidTerm>TRMM</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>383</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Tropical Rainfall Measuring Mission</definition></dgStructuredKeyword>
385<dgStructuredKeyword><dgValidTerm>UARS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>384</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Upper Atmosphere Research Satellite</definition></dgStructuredKeyword>
386<dgStructuredKeyword><dgValidTerm>VANGUARD</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>385</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
387<dgStructuredKeyword><dgValidTerm>VCL</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>386</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Vegetation Canopy Lidar</definition></dgStructuredKeyword>
388<dgStructuredKeyword><dgValidTerm>VENERA-13</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>387</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
389<dgStructuredKeyword><dgValidTerm>VENERA-14</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>388</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
390<dgStructuredKeyword><dgValidTerm>VOLCANO OBSERVATORY</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>389</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
391<dgStructuredKeyword><dgValidTerm>WEATHER STATIONS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>390</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
392<dgStructuredKeyword><dgValidTerm>WESTPAC</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>391</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Western Pacific Laser Satellite</definition></dgStructuredKeyword>
393<dgStructuredKeyword><dgValidTerm>WTSS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>392</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>Water Temperature and Salinity System</definition></dgStructuredKeyword>
394<dgStructuredKeyword><dgValidTerm>X-POW</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>393</TermID></dgValidTermID><ListLevel>1</ListLevel><definition>X-band Polarimetric Weather Radar</definition></dgStructuredKeyword>
395<dgStructuredKeyword><dgValidTerm>YOHKOH</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>394</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
396<dgStructuredKeyword><dgValidTerm>ZEIA</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>395</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
397<dgStructuredKeyword><dgValidTerm>ZODIACS</dgValidTerm><dgValidTermID><ParentListID>http://http://ndg.nerc.ac.uk/vocabularies/GCMDValids/Sources</ParentListID><TermID>396</TermID></dgValidTermID><ListLevel>1</ListLevel></dgStructuredKeyword>
398</list>
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