htey are refering to the IGS base station?

送交者: pgss 于 2014-06-01, 21:07:56:

回答: sorry, my bad, I didn't read that article. 由 steven 于 2014-06-01, 20:54:41:

for monitoring and calibrating the satellites?

http://igs.org/overview/viewindex.html

[img]http://cddis.nasa.gov/images/igsmap.gif[\img]

I don't think so, IGS doesn't make any equipment, - steven (33 bytes) 2014-06-02, 01:36:44 (750508)