GPS Express provides a feature rich interface to serial NMEA-0183 protocol data and works with most NMEA-0183 devices, including GPS Receivers. GPS Express is available in three versions (Standard, Professional, Graphical)... 22
This program is a demo application for BitLevelGPS software library that provides a PC-based user application with access to a NMEA-183 compliant GPS receiver via a serial communications port. It provides navigation data update once per second. 23