The GPS equipment was installed October 13, 1995 on the roof of Waterman's
Hall, a two story masonry building. A
site log containing a history of GPS equipment at this site is available through the
The Dorne Margolin antenna with T type choke rings is mounted on the roof
using a bolt embedded in the masonry parapet.
The data are downloaded daily to NOAA. The raw and RINEX data files are accessible via anonymous ftp from the Geosciences Research Division's Data Center. The observations are dual frequency with a 30 second tracking interval and a 15° observation elevation cutoff.