| AAK |
Ala Archa,
Kyrgyzstan |
| ABPO |
Ambohimanambola, Madagascar |
| ALE |
Alert, NWT,
Canada |
| ARU |
Arti, Russia |
| ASCN |
Butt Crater,
Ascension Island |
| BFO |
Black Forest
Observatory, Schiltach, Germany |
| BORG |
Borganes,
Iceland |
| BRVK |
Borovoye,
Kazakhstan |
| CMLA |
Cha de Macela,
Sao Migeul Island, Azores, Portugal |
| COCO |
Cocos (Keeling)
Islands, Australia |
| DGAR |
Diego Garcia |
| EFI |
Mount Kent,
East Falkland Islands |
| ERM |
Ermino, Hokkaido,
Japan |
| ESK |
Eskdalemuir,
Scotland |
| FFC |
Flin Flon,
Manitoba, Canada |
| HOPE |
Hope Point,
South Georgia Island |
| JTS |
Las Juntas
de Abangares, Costa Rica |
| KAPI |
Kapping, Sulawesi,
Indonesia |
| KDAK |
Kodiak Island,
Alaska |
| KIV |
Kislovodsk,
Russia |
| KURK |
Kurkchatav,
Kazakhstan |
| KWJN |
Kwajalein
Atoll, Pacific Ocean |
| LVZ |
Lovozero,
Russia |
| MBAR |
Mbarara, Uganda |
| MSEY |
Mahe, Seychelles
|
| MSVF |
Monasavu,
Fiji |
| NIL |
Nilore, Pakistan
|
| NNA |
Nana, Peru |
| OBN |
Obninsk, Russia |
| PALK |
Pallekele, Sri Lanka |
| PFO |
Pinyon Flat,
California |
| RAYN |
Ar Rayn, Saudia
Arabia |
| RPN |
Easter Island
(Rapa Nui), Chile |
| SACV |
Santiago Island, Cape
Verde |
| SHEL |
Horse Pasture,
Island of St. Helena |
| SIMI |
Simiganj, Tajikistan |
| SUR |
Sutherland,
Republic of South Africa |
| TAU |
Tasmania,
Australia |
| TLY |
Talaya, Russia |
| UOSS |
University of Sharjah, United Arab Emirates |
| WRAB
|
Tennant Creek,
Australia |
|