CU/ANWB, Willy Bob, Antigua and Barbuda
CU/BBGH, Gun Hill, Barbados
CU/BCIP, Isla Barro Colorado, Panama
CU/GRGR, Grenville, Grenada
CU/GRTK, Grand Turk, Turks and Caicos Islands
CU/GTBY, Guantanamo Bay, Cuba
CU/MTDJ, Mount Denham, Jamaica
CU/SDDR, Presa de Sabaneta, Dominican Republic
IU/AFI, Afiamalu, Samoa
IU/ANMO, Albuquerque, New Mexico, USA
IU/ANTO, Ankara, Turkey
IU/BBSR, Bermuda
IU/CASY, Casey, Antarctica
IU/CCM, Cathedral Cave, Missouri, USA
IU/CHTO, Chiang Mai, Thailand
IU/COLA, College Outpost, Alaska, USA
IU/COR, Corvallis, Oregon, USA
IU/CTAO, Charters Towers, Australia
IU/DAV,Davao, Philippines
IU/DWPF,Disney Wilderness Preserve, Florida, USA
IU/GNI, Garni, Armenia
IU/GRFO, Grafenberg, Germany
IU/GUMO, Guam, Mariana Islands
IU/HKT, Hockley, Texas, USA
IU/HNR, Honiara, Solomon Islands
IU/HRV, Adam Dziewonski Observatory (Oak Ridge), Massachusetts, USA
IU/INCN, Inchon, Republic of Korea
IU/JOHN, Johnston Island, Pacific Ocean
IU/KBS, Ny-Alesund, Spitzbergen, Norway
IU/KEV, Kevo, Finland
IU/KIEV, Kiev, Ukraine