30th Annual Precise Time and Time Interval (PTTI) Meeting 1998 GPS TIME TRANSFER PERFORMANCE

Every year more and more government and civilian agencies rely on GPS for accurate timing and navigation. The GPS Operational Control Segment, using information provided by the United States Naval Observatory, maintains the GPS timing signal well within speci$cution ~ This paper summarizes 1998 GPS Time Transfer performance for authorized users and relates the results to the mechanics of the GPS time steering algorithm Data from previous years will also be presented as a means of comparison