Dexter Industries GPS sensor constants

DGPS_REG_DISTANCE DGPS_REG_HEADING DGPS_REG_LASTANGLE DGPS_REG_LATITUDE DGPS_REG_LONGITUDE DGPS_REG_SETLATITUDE DGPS_REG_SETLONGITUDE DGPS_REG_STATUS DGPS_REG_TIME DGPS_REG_VELOCITY DGPS_REG_WAYANGLE DI_ADDR_DGPS

#define DGPS_REG_VELOCITY   0x06 Read velocity in cm/s.