ATH   Athens, Greece 
BOR   Bordeaux, France
DAR   Darfield, New Zealand 
GAS   Pulkovo South Observatory, Russia
IT1   Itajuba, Brasil
IT2   Itajuba, Brasil
KAM   Canberra, Australia (IAU-415)
LAS   La Serena, Chile 
MEU   Meudon  
MON   Montigny le Bretonneux< France 
MTR   Monterrey, Mexico
PIC   Pic-du-Midi, France  
SAB   Sabadell, Spain  
SAM   Sabadell, Spain  
SCH   San Esteve Sesrovires, Spain 
SYD   Sydney, Ausralia 
TER   Terskol, Russia
UMA   Umatilla, Oregon USA