Please note that this site is an archive. The most up-to-date material is at: https://www.scar.org/science/gsg/home/ .
Updated:
History and Details of O'Higgins site:
This ASHTECH Z 18 GPS + GLONASS system operates since 09-FEB-2001, 01:00 UT. In addition and parallel to the OHIG GPS Permanent Tracking System (AOA SNR-8000 ACT or ROGUE SNR-8000).
The System is a stand-alone-system during the long Antarctic winter. Only for VLBI-Observation-Sessions operators travel to O'Higgins during the short Antarctic "Summer".
Courtesy of Rudi Stoeger. Posted to the IGS listserver on 20 Feb 2001.