Software GPS device emulator. Generates NMEA messages from different data inputs. 1)User can select map,start point,heading,speed;2)User can select NMEA log file. Generator write NMEA sentences to COM port or file. Use GPS without GPS receiver. Software GPS device emulator. Generates NMEA messages from different data inputs. It can operate in 2 modes: 1)User select map,start point,heading,speed;2)User select NMEA log file. While emulation user canchange speed and heading. Generated NMEA sentences (RMC, GGA, GLL) to COM port or file can be user by other mapping software. GPS emulator can be used not only by software developers, but also by users, who want to learn navigation software before buying GPS receiver. In next versions we suppose to support other GPS protocols (TSIP,SiRF binary,...). Buy and register this software to have all features, recent updates and high-quality support. Use GPS without GPS receiver!