USGS FAULT LINE SURVEY Enclosed on this CD are the RINEX files for April 17th and 19th during data capture for the Fault Line Survery. During all sessions the Aerotec Trimble station was set up on the same point. April 17th - Antenna Height = 1.237m (corrected) April 19th - Antenna Heigth = 1.277m (corrected)