US AAM (Ann Arbor, Michigan, USA)
US ACSO (Alum Creek State Park, Ohio, USA)
IU ADK (Adak, Aleutian Islands, Alaska)
IU AFI (Afiamalu, Samoa)
US AGMN (ANW Refuge, Minnesota, USA)
US AHID (Auburn Hatchery, Idaho, USA)
US AMTX (Amarillo, Texas, USA)
IU ANMO (Albuquerque, New Mexico, USA)
IU ANTO (Ankara, Turkey)
CU ANWB (Willy Bob, Antigua and Barbuda)
CU BBGH (Gun Hill, Barbados)
IU BBSR (B I of O S, St George's Bermuda)
CU BCIP (Isla Barro Colorado, Panama)
NE BCX (Chestnut Hill, MA, USA)
IU BILL (Bilibino, Russia)
US BINY (Binghamton, New York, USA)
IC BJT (Baijiatuan, Beijing, China)
US BLA (Blacksburg, Virginia, USA)
US BMO (B M A, Baker, Oregon, USA)
GT BOSA (Boshof, South Africa)
US BOZ (Bozeman, Montana, USA)
US BRAL (Brewton, Alabama, USA)
NE BRYW (Smithfield, RI, USA)
US BW06 (BAS 6 & PAS 6, Wyoming, USA)
IU CASY (Casey, Antarctica)
US CBKS (Cedar Bluff, Kansas, USA)
US CBN (Corbin, F Observatory, Virginia, USA)
IU CCM (Cathedral Cave, Missouri, USA)
IU CHTO (Chiang Mai, Thailand)
US CNNC (Cliffs of Neuse, N Carolina, USA)
IU COLA (College Outpost, Alaska, USA)
IU COR (Corvallis, Oregon, USA)
US COWI (Conover, Wisconsin, USA)
GT CPUP (Villa Florida, Paraguay)
IU CTAO (Charters Towers, Australia)
IU DAV (Davao, Philippines)
GT DBIC (Dimbokro, Cote d'Ivoire)
US DGMT (Dagmar, Montana, USA)
IW DLMT (Dillon, Montana, USA)
US DUG (Dugway, Tooele County, Utah, USA)
IU DWPF (Disney W Preserve, Florida, USA)
US ECSD (EROS, Sioux Falls, S Dakota, USA)
US EGAK (Eagle, Central Alaska, Alaska, USA)
US EGMT (Eagleton, Montana, USA)
US ELK (Elko, Nevada, USA)
NE EMMW (Machias, ME, USA)
IC ENH (Enshi, Hubei Province, China)
US ERPA (Erie, Pennsylvania, USA)
US EYMN (Ely, Minnesota, USA)
NE FFD (Franklin Falls Dam, NH, USA)
IW FLWY (Flagg Ranch, Wyoming, USA)
IU FUNA (Funafuti, Tuvalu)
IU FURI (Mt. Furi, Ethiopia)
IW FXWY (Fox Creek, Wyoming, USA)
US GLMI (Grayling, Michigan, USA)
IU GNI (Garni, Armenia)
US GOGA (Godfrey, Georgia, USA)
IU GRFO (Grafenberg, Germany)
CU GRGR (Grenville, Grenada)
CU GRTK (Turks and Caicos Islands)
CU GTBY (Guantanamo Bay, CU_ba)
IU GUMO (Guam, Mariana Islands)
US HAWA (Hanford, Washington, USA)
US HDIL (Hopedale, Illinois, USA)
IC HIA (Hailar, Neimenggu, China)
IU HKT (Hockley, Texas)
US HLID (Hailey, Idaho, USA)
NE HNH (Hanover, NH, USA)
IU HNR (Honiara, Solomon Islands)
IU HRV (Oak Ridge, Massachusetts, USA)
US HWUT (Hardware Ranch, Utah, USA)
IW IMW (Indian Meadow, Wyoming, USA)
IU INCN (Inchon, Republic of Korea)
US ISCO (Idaho Springs, Colorado, USA)
US JCT (Junction, Texas, USA)
US JFWS (Jewell Farm, Wisconsin, USA)
IU JOHN (Johnston Island, USA)
IU KBL (Kabul, Afghanistan)
IU KBS (Ny-Alesund, Spitzbergen, Norway)
IU KEV (Kevo, Finland)
IU KIEV (Kiev, Ukraine)
IU KIP (Kipapa, Hawaii, USA)
IU KMBO (Kilima Mbogo, Kenya)
IC KMI (Kunming, Yunnan Province, China)
IU KNTN (Kanton, Kiritibati)
IU KONO (Kongsberg, Norway)
IU KOWA (Kowa, Mali)
US KSU1 (Kansas, Konza Prairie, Kansas, USA)
US KVTX (Kingsville, Texas, USA)
US LAO (LASA Array, Montana, USA)
US LBNH (Lisbon, New Hampshire, USA)
GT LBTB (Lobatse, Botswana, Africa)
IU LCO (Astronomical Observatory, Chile)
US LKWY (Yellowstone Lake, Wyoming)
IW LOHW (Long Hollow, Wyoming, USA)
US LONY (Lake Ozonia, New York, USA)
GT LPAZ (La Paz , Bolivia)
US LRAL (Lakeview Retreat, Alabama, USA)
IC LSA (Tibet, China)
IU LSZ (Lusaka, Zambia)
US LTX (Lajitas, Texas, USA)
IU LVC (Limon Verde, Chile)
IU MA2 (Magadan, Russia)
IU MACI (Morro de la Arena, Canary Islands)
IU MAJO (Matsushiro, Japan)
IU MAKZ (Makanchi, Kazakhstan)
IU MBWA (Marble Bar, Western Australia)
US MCWV (Mont Chateau, West Virginia, USA)
IC MDJ (Heilongjiang Province, China)
IW MFID (Camas Ranch, Mayfield, ID, USA)
US MIAR (Mount Ida, Arkansas, USA)
IU MIDW (Midway Island, USA)
US MNTX (Cornudas Mountains, Texas, USA)
IW MOOW (Moose Ponds, Wyoming, USA)
IU MSKU (Masuku, Gabon)
US MSO (Missoula, Montana, USA)
CU MTDJ (Mount Denham, Jamaica)
US MVCO (Mesa Verde, Colorado, USA)
US NATX (Nacogdoches, Texas, USA)
US NEW (Newport, Washington, USA)
US NHSC (New Hope, South Carolina, USA)
US NLWA (Neilton Lookout, Washington, USA)
IU NWAO (Narrogin, Australia)
US OGNE (Ogallala, Nebraska, USA)
GS OK025 (Oklahoma City, Oklahoma, USA)
GS OK029 (Liberty Lake, Oklahoma, USA)
GS OK030 (Cody Creek Park, Cushing, USA)
GS OK031 (2598 S Brethren Rd Cushing, USA)
GS OK032 (Salt Plains WLR, Oklahoma, USA)
GS OK034 (Norfolk Rd, Oklahoma, USA)
GS OK035 (E0210 Rd, Oklahoma, USA)
GS OK037 (Waynoka, OK, USA)
GS OK038 (West E0370 Rd, Waynoka, USA)
GS OK040 (E2430 & Blaine Rd, Waynoka, USA)
GS OK043 (N2390 Rd, Waynoka, USA)
IU OTAV (Otavalo, Ecuador)
US OXF (Oxford, Mississippi, USA)
IU PAB (San Pablo, Spain)
IU PAYG (Puerto Ayora, Galapagos Islands)
IU PET (Petropavlovsk, Russia)
IW PHWY (Pilot Hill, Wyoming, USA)
US PKME (Peaks-Kenny State Park, USA)
GT PLCA (Paso Flores, Argentina)
IW PLID (Pearl Lake, Idaho, USA)
IU PMG (Port Moresby, New Guinea)
IU PMSA (Palmer Station, Antarctica)
IU POHA (Pohakuloa, Hawaii, USA)
NE PQI (Presque Isle, ME, USA)
IU PTCN (Pitcairn Island, South Pacific)
IU PTGA (Pitinga, Brazil)
IC QIZ (Qiongzhong, Hainan Province, China)
IU QSPA (South Pole, Observatory)
NE QUA2 (Belchertown, MA, USA)
IU RAO (Raoul, Kermadec Islands)
IU RAR (Rarotonga, Cook Islands)
IU RCBR (Riachuelo, Brazil)
IW REDW (Red Top Meadow, Wyoming, USA)
US RLMT (Red Lodge, Montana, USA)
IU RSSD (Black Hills, South Dakota, USA)
IW RWWY (Rawlins, Wyoming, USA)
IU SAML (Samuel, Brazil)
IU SBA (Scott Base, Antarctica)
US SCIA (State Center, Iowa, USA)
US SDCO (National Park, Colorado, USA)
CU SDDR (Dominican Republic)
IU SDV (Santo Domingo, Venezuela)
IU SFJD (Sondre Stromfjord, Greenland)
IU SJG (San Juan, Puerto Rico)
IU SLBS (Sierra la Laguna, Mexico)
IW SMCO (Snowmass, Colorado, USA)
IW SNOW (Snow King Mt, Wyoming, USA)
IU SNZO (South Karori, New Zealand)
IC SSE (Shanghai, China)
IU SSPA (Standing Stone, Pennsylvania)
IU TARA (Tarawa Island, Republic of Kiribati)
IU TATO (Taipei, Taiwan)
IU TEIG (Tepich, Yucatan, Mexico)
CU TGUH (Tegucigalpa, Honduras)
IU TIXI (Tiksi, Russia)
IW TPAW (Teton Pass, Wyoming, USA)
US TPNV (Topopah Spring, Nevada, USA)
IU TRIS (Tristan da Cunha)
IU TRQA (Tornquist, Argentina)
NE TRY (Troy, NY, USA)
IU TSUM (Tsumeb, Namibia)
IU TUC (Tucson, Arizona)
US TZTN (Tazewell, Tennessee, USA)
IU ULN (Ulaanbaatar, Mongolia)
US VBMS (Vicksburg, Mississippi)
GT VNDA (Wright Valley, Antarctica)
NE VT1 (Waterbury, VT, USA)
IU WAKE (Wake Island)
IU WCI (Wyandotte Cave, Indiana, USA)
NE WES (Weston Observatory, MA, USA)
US WMOK (Wichita Mt, Oklahoma, USA)
IC WMQ (Urumqi, Xinjiang Province, China)
US WRAK (Wrangell Island, Alaska, USA)
NE WSPT (Westport, CT, USA)
US WUAZ (Wupatki, Arizona, USA)
NE WVL (Waterville, ME, USA)
US WVOR (Wild Horse Valley, Oregon, USA)
IU WVT (Waverly, Tennessee, USA)
IC XAN (Xi'an, China)
IU XMAS (Kiritimati Island, Republic of Kiribati)
IU YAK (Yakutsk, Russia)
NE YLE (Yale, Connecticut, USA)
IU YSS (Yuzhno Sakhalinsk, Russia)