| IC/BJT, Baijiatuan, Beijing, China |
IC/ENH, Enshi, China |
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| IC/HIA, Hailar, Neimenggu Province, China |
IC/KMI, Kunming, China |
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| IC/LSA, Lhasa, China |
IC/MDJ, Mudanjiang, China |
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| IC/SSE, Shanghai, China |
IC/QIZ, Qiongzhong, Guangduong Province, China |
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| IC/WMQ, Urumqi, China |
IC/XAN, Xi'an, China |
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| IU/ADK, Aleutian Islands, Alaska, USA |
IU/AFI, Afiamalu, Western Samoa, USA |
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| IU/ANMO, Albuquerque, New Mexico, USA |
IU/ANTO, Ankara, Turkey |
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| IU/BBSR, Bermuda |
IU/BILL, Bilibino, Russia |
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| IU/CASY, Casey, Antarctica |
IU/CCM, Cathedral Cave, Missouri, USA |
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| IU/COLA, College Outpost, Alaska, USA |
IU/COR, Corvallis, Oregon, USA |
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| IU/CTAO, Charters Towers, Australia |
IU/DWPF,Disney Wilderness Preserve, Florida, USA |
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| IU/GNI, Garni, Armenia |
IU/GUMO, Guam, Marianas Islands |
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| IU/HKT, Hockley, Texas, USA |
IU/HNR, Honiara, Solomon Islands |
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| IU/HRV, Harvard, Massachusetts, USA |
IU/INCN, Inchon, Republic of Korea |
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| IU/KBS, Ny-Alesund, Spitzbergen, Norway |
IU/KIP, Kipapa, Hawaii, USA |
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| IU/KMBO, Kilima Mbogo, Kenya |
IU/KONO, Kongsberg, Norway |
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| IU/LSZ, Lusaka, Zambia |
IU/LVC, Limon Verde, Chile |
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| IU/MA2, Magadan, Russia |
IU/MAJO, Matsushiro, Japan |
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| IU/MBWA, Marble Bar, Western Australia |
IU/MIDW, Midway Island, Pacific Ocean, USA |
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| IU/MSKU Masuku, Gabon |
IU/NWAO, Narrogin, Australia |
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| IU/OTAV, Otavalo, Equador |
IU/PAYG Puerto Ayora, Galapagos Islands |
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| IU/PET, Petropavlovsk, Russia |
IU/PMG, Port Moresby, New Guinea |
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| IU/PMSA, Palmer Station, Antarctica |
IU/POHA, Pohakaloa, Hawaii |
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| IU/PTCN, Pitcairn Island, South Pacific |
IU/PTGA, Pitinga, Brazil |
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| IU/QSPA, South Pole, Antartica |
IU/RAO, Raoul, Kermandec Islands |
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| IU/RAR, Rarotonga, Cook Islands |
IU/RCBR, Riachuelo, Brazil |
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| IU/RSSD, Black Hills, South Dakota, USA |
IU/SAML, Samuel, Brazil |
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| IU/SBA, Scott Base, Antarctica |
IU/SDV, Santo Domingo, Venezuela |
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| IU/SJG, San Juan, Puerto Rico |
IU/SNZO, South Karori, New Zealand |
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| IU/SSPA, Standing Stone, Pennsylvania USA |
IU/TATO, Taipei, Taiwan |
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| IU/TEIG, Tepich, Yucatan, Mexico |
IU/TIXI, Tiksi, Russia |
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| IU/TRIS, Tristan da Cunha, Atlantic Ocean |
IU/TRQA, Tornquist, Argentina |
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| IU/TSUM, Tsumeb, Namibia |
IU/TUC, Tucson, Arizona |
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| IU/ULN, Ulaanbaatar, Mongolia |
IU/WAKE, Wake Island, Pacific Ocean |
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IU/WCI, Wyandotte Cave, Indiana, USA |
IU/WVT, Waverly, Tennessee, USA |
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IU/YAK, Yakutsk, Russia |
IU/YSS, Yuzhno Sakhalinsk, Russia |
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