1)   HS NMEA GPS C Source Library 1.0 1.0
HS GPS is a software library (with full C source code) which provides access to a NMEA-183 compliant GPS receiver via a serial communications port, decoding NMEA sentences: $GPGGA, $GPGSA, $GPGSV, $GPGLL, $GPRMC and $GPVTG.
NMEA-183, GPS, GPS Source Code Module, Global Positionning System, NMEA decoder, GPS decoder, NMEA sentence, $GPGGA, $GPGSA, $GPGSV,

 2)   HS GPSDLL Library 1.1
HsGpsDll is a Windows Dynamic Link Library which provides access to any NMEA-183 compliant GPS receiver via a serial communications port. HsGpsDll is designed for use from Visual C, Visual Basic or other programming languages.
NMEA-183, GPS, GPS Source Code Module, Global Positionning System, NMEA decoder, GPS decoder, NMEA sentence, $GPGGA, $GPGSA, $GPGSV,