NMEA Parser is a good start point for your project! With these source codes you can start implementation of your software and save your time and money. NMEA Parser provides the following functionality: * Parsing of main NMEA messages: GGA, GLL, GSA, GSV, RMC, VTG, ZDA; * Detection of NMEA version by NMEA sentence; * CRC validation; * Different utilities (speed units conversion, coordinates to string conversion etc...); * C# Test application for quick start; * Automated tests (NUnit unit tests) for each message type; * Possibility to easily write parser for your own (proprietary) NMEA sentences;