These data update automatically every 30 minutes
Last update: November 22, 2025 00:01:34 UTC
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CU/ANWB North Barbuda Island
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CU/BBGH Gun Hill, Barbados
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CU/BCIP Isla Barro Colorado, Panama
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CU/GRGR Grenville, Grenada
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CU/GRTK Grand Turk, Turks and Caicos Islands
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CU/GTBY Guantanamo Bay, Cuba
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CU/MTDJ Mount Denham, Jamaica
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CU/SDDR Presa de Sabenta, Dominican Republic
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CU/TGUH Tegucigalpa, Honduras
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GT/BDFB Brasilia, Distrito Federal, Brazil
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GT/BOSA Boshof, South Africa
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GT/CPUP Villa Florida, Paraguay
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GT/DBIC Dimbokro, Ivory Coast
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GT/LBTB Lobatse, Botswana
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GT/LPAZ La Paz, Bolivia
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GT/PLCA Paso Flores, Argentina
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GT/VNDA Dry Valley, Vanda, Antarctica
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IC/BJT Baijiatuan, Beijing, China
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IC/ENH Enshi, Hubei Province, China
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IC/HIA Hailar, Neimenggu Autonomous Region, China
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IC/KMI Kunming, Yunnan Province, China
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IC/LSA Tibet, China
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IC/MDJ Mudanjiang, Heilongjiang Province, China
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IC/QIZ Qiongzhong, Hainan Province, China
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IC/SSE Shanghai, China
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IC/WMQ Urumqi, Xinjiang Province, China
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IC/XAN Xi'an, China
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II/AAK Ala Archa, Kyrgyzstan
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II/ABPO Ambohimpanompo, Madagascar
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II/ALE Alert, NU, Canada
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II/ARTI Arti, Russia
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II/ASCN Butt Crater, Ascension Island
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II/BFO Black Forest Observatory, Schiltach, Germany
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II/BORG Borgarfjordur, Asbjarnarstadir, Iceland
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II/BORK Burabay, Kazakhstan
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II/CMLA Cha de Macela, Sao Miguel Island, Azores
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II/COCO West Island, Cocos (Keeling) Islands
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II/DGAR Diego Garcia, Chagos Islands, Indian Ocean
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II/EFI Mount Kent, East Falkland Island
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II/ERM Erimo, Hokkaido Island, Japan
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II/ESK Eskdalemuir, Scotland, UK
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II/FFC Flin Flon, Canada
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II/HOPE Hope Point, South Georgia Island
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II/JTS Las Juntas de Abangares, Costa Rica
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II/JZAX Jizzax, Uzbekistan
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II/KAPI Kappang, Sulawesi, Indonesia
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II/KDAK Kodiak Island, Alaska, USA
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II/KIV Kislovodsk, Russia
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II/KURK Kurchatov, Kazakhstan
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II/KWJN Gagan, Kwajalein Atoll, Marshall Islands
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II/LVZ Lovozero, Russia
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II/MBAR Mbarara, Uganda
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II/MSEY Mahe, Seychelles
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II/MSVF Monasavu, Fiji
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II/NIL Nilore, Pakistan
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II/NNA Nana, Peru
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II/OBN Obninsk, Russia
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II/PALK Pallekele, Sri Lanka
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II/PFO Pinon Flat, California, USA
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II/RAYN Ar Rayn, Saudi Arabia
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II/RPN Rapanui, Easter Island, Chile
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II/SACV Santiago Island, Cape Verde
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II/SHEL Horse Pasture, St. Helena Island
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II/SIMI Simiganj, Tajikistan
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II/SUR Sutherland, South Africa
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II/TAU Hobart, Tasmania, Australia
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II/TLY Talaya, Russia
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II/UOSS Univ. of Sharjah, Sharjah, United Arab Emirates
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II/WRAB Tennant Creek, NT, Australia
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II/XBFO Black Forest Observatory, Schiltach, Germany
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II/XPFO Pinon Flat, California, USA
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IU/ADK Adak, Aleutian Islands, Alaska
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IU/AFI Afiamalu, Samoa
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IU/ANMO Albuquerque, New Mexico, USA
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IU/ANTO Ankara, Turkey
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IU/BBSR Bermuda Institute of Ocean Sciences, St George's Bermuda
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IU/BILL Bilibino, Russia
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IU/CASY Casey, Antarctica
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IU/CCM Cathedral Cave, Missouri, USA
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IU/CHTO Chiang Mai, Thailand
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IU/COLA College Outpost, Alaska, USA
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IU/COR Corvallis, Oregon, USA
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IU/CTAO Charters Towers, Australia
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IU/DAV Davao, Philippines
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IU/DWPF Disney Wilderness Preserve, Florida, USA
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IU/FUNA Funafuti, Tuvalu
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IU/FURI Mt. Furi, Ethiopia
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IU/GNI Garni, Armenia
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IU/GRFO Grafenberg, Germany
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IU/GUMO Guam, Mariana Islands
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IU/HKT Hockley1 Texas
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IU/HNR Honiara, Solomon Islands
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IU/HRV Adam Dziewonski Observatory (Oak Ridge), Massachusetts, USA
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IU/INCN Inchon, Republic of Korea
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IU/JOHN Johnston Island, USA
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IU/KBS Ny-Alesund, Spitzbergen, Norway
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IU/KEV Kevo, Finland
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IU/KIEV Kiev, Ukraine
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IU/KIP Kipapa, Hawaii, USA
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IU/KMBO Kilima Mbogo, Kenya
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IU/KNTN Kanton, Kiritibati
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IU/KONO Kongsberg, Norway
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IU/LCO Las Campanas Astronomical Observatory, Chile
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IU/LSZ Lusaka, Zambia
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IU/MA2 Magadan, Russia
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IU/MACI Morro de la Arena, Canary Islands
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IU/MAJO Matsushiro, Japan
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IU/MAKZ Makanchi, Kazakhstan
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IU/MBWA Marble Bar, Western Australia
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IU/MIDW Midway Island, USA
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IU/NWAO Narrogin, Australia
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IU/OTAV Otavalo, Ecuador
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IU/PAB San Pablo, Spain
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IU/PAYG Puerto Ayora, Galapagos Islands
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IU/PET Petropavlovsk, Russia
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IU/PMG Port Moresby, New Guinea
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IU/PMSA Palmer Station, Antarctica
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IU/POHA Pohakuloa, Hawaii, USA
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IU/PTCN Pitcairn Island, South Pacific
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IU/QSPA South Pole Remote Earth Science Observatory (Quiet Zone)
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IU/RAO Raoul, Kermadec Islands
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IU/RAR Rarotonga, Cook Islands
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IU/RCBR Riachuelo, Brazil
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IU/RSSD Black Hills, South Dakota, USA
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IU/SAML Samuel, Brazil
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IU/SBA Scott Base, Antarctica
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IU/SDV Santo Domingo, Venezuela
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IU/SFJD Sondre Stromfjord, Greenland
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IU/SJG San Juan, Puerto Rico
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IU/SLBS Sierra la Laguna Baja California Sur, Mexico
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IU/SNZO South Karori, New Zealand
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IU/SSPA Standing Stone, Pennsylvania
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IU/TARA Tarawa Island, Republic of Kiribati
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IU/TATO Taipei, Taiwan
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IU/TEIG Tepich, Yucatan, Mexico
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IU/TIXI Tiksi, Russia
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IU/TRIS Tristan da Cunha
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IU/TRQA Tornquist, Argentina
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IU/TSUM Tsumeb, Namibia
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IU/TUC Tucson, Arizona
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IU/ULN Ulaanbaatar, Mongolia
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IU/WAKE Wake Island
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IU/WCI Wyandotte Cave, Indiana, USA
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IU/WVT Waverly, Tennessee, USA
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IU/XMAS Kiritimati Island, Republic of Kiribati
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IU/YAK Yakutsk, Russia
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IU/YSS Yuzhno Sakhalinsk, Russia
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IW/DLMT Dillon, Montana, USA
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IW/FLWY Flagg Ranch, Wyoming, USA
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IW/FXWY Fox Creek, Wyoming, USA
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IW/IMW Indian Meadow, Wyoming, USA
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IW/LOHW Long Hollow, Wyoming USA
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IW/MFID Near Browns Crk and Slater Flat Rd, Idaho, USA
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IW/MOOW Moose Ponds, Wyoming, USA
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IW/PLID Pearl Lake, Idaho, USA
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IW/SNOW Snow King Mountain, Wyoming, USA
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IW/TPAW Teton Pass, Wyoming, USA
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NE/BCX Chestnut Hill, MA, USA
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NE/EMMW Machias, ME, USA
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NE/HNH Hanover, NH, USA
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NE/TRY Troy, NY, USA
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NE/VT1 Waterbury, VT
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NE/WES Weston Observatory, Weston, MA, USA
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NE/WSPT Westport, CT, USA
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NE/WVL Waterville, ME, USA
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US/AAM Ann Arbor, Michigan, USA
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US/ACSO Alum Creek State Park, Ohio, USA
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US/AGMN Agassiz National Wildlife Refuge, Minnesota, USA
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US/AHID Auburn Hatchery, Idaho, USA
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US/AMTX Amarillo, Texas, USA
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US/BINY Binghamton, New York, USA
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US/BLA Blacksburg, Virginia, USA
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US/BMO Blue Mountains Array (Baker), Oregon, USA
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US/BOZ Bozeman, Montana, USA
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US/BRAL Brewton, Alabama, USA
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US/BW06 Boulder Array Site 6 (Pinedale Array Site 6), Wyoming, USA
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US/CBKS Cedar Bluff, Kansas, USA
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US/CBN Corbin (Fredericksburg Observatory), Virginia, USA
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US/DGMT Dagmar, Montana, USA
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US/DUG Dugway, Tooele County, Utah, USA
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US/ECSD EROS Data Center, Sioux Falls, South Dakota, USA
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US/EGAK Eagle, Central Alaska, Alaska, USA
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US/EGMT Eagleton, Montana, USA
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US/ELK Elko, Nevada, USA
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US/ERPA Erie, Pennsylvania, USA
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US/EYMN Ely, Minnesota, USA
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US/GLMI Grayling, Michigan, USA
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US/GOGA Godfrey, Georgia, USA
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US/HDIL Hopedale, Illinois, USA
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US/HLID Hailey, Idaho, USA
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US/HWUT Hardware Ranch, Cache County, Utah, USA
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US/ISCO Idaho Springs, Colorado, USA
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US/JCT Junction, Texas, USA
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US/JFWS Near Bowden and Sunny Slope Rds, Wisconsin, USA
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US/KSU1 Kansas State University--Konza Prairie, Kansas, USA
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US/KVTX Kingsville, Texas, USA
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US/LAO LASA Array, Montana, USA
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US/LBNH Lisbon, New Hampshire, USA
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US/LKWY Lake (Yellowstone--Lake), Yellowstone National Park, Wyoming
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US/LONY Lake Ozonia, New York, USA
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US/LRAL Lakeview Retreat, Alabama, USA
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US/MCWV Mont Chateau, West Virginia, USA
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US/MIAR Mount Ida, Arkansas, USA
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US/MNTX Cornudas Mountains, Texas, USA
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US/MSO Missoula, Montana, USA
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US/MVCO Mesa Verde, Colorado, USA
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US/NATX Nacogdoches, Texas, USA
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US/NEW Newport, Washington, USA
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US/NHSC New Hope, South Carolina, USA
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US/NLWA Neilton Lookout, Washington, USA
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US/OGNE Ogallala, Nebraska, USA
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US/PKME Peaks-Kenny State Park, Maine, USA
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US/RLMT Red Lodge, Montana, USA
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US/SCIA State Center, Iowa, USA
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US/SDCO Great Sand Dunes National Park, Colorado, USA
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US/TPNV Topopah Spring, Nevada, USA
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US/TZTN Tazewell, Tennessee, USA
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US/VBMS Vicksburg, Mississippi
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US/WMOK Wichita Mountains, Oklahoma, USA
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US/WRAK Wrangell Island, Southeastern Alaska, Alaska, USA
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US/WUAZ Wupatki, Arizona, USA
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US/WVOR Wild Horse Valley, Oregon, USA