... SUBSYSTEM(GUS)2719.2 LADGPS, WADGPS, AND WAAS9.2.1 Description of Local-Area DGPS (LADGPS)LADGPS is a form of DGPS in which the user's GPS receiver receives real-timepseudorange and, possibly, ... Inc.Print ISBN 0-4 7 1-3 5032-X Electronic ISBN 0-4 7 1-2 007 1-9 waveform (C=A-code, BPSK modulation); however, the data rate is higher (250bps). The 250 bps of data are encoded with a one-half rate convolutional ... system-level testing, WAAS operational testing, and long-term supportfor WAAS. GPS satellitesUser’s WAASreceiverGEO subsystem Wide-areamaster stationWide-areareference station-nWide-areareference...