Garmin GPS 17HVS Technical Specifications - Page 22

4.2.9 Geographic Position (GLL) $GPGLL,,,,,,,*hh Latitude, ddmm.mmmm format (leading zeros will be transmitted) Latitude hemisphere, N or S Longitude, dddmm.mmmm format (leading zeros will be transmitted) Longitude hemisphere, E or W UTC time of position fix, hhmmss format Status, A = Valid position, V = NAV receiver warning Mode indicator (only output if NMEA 0183 version 2.30 active), A = Autonomous, D = Differential, E = Estimated, N = Data not valid 4.2.10 Estimated Error Information (PGRME) $PGRME,,M,,M,,M*hh Estimated horizontal position error (HPE), 0.0 to 999.9 meters Estimated vertical position error (VPE), 0.0 to 999.9 meters Estimated position error (EPE), 0.0 to 999.9 meters 4.2.11 GPS Fix Data Sentence (PGRMF) $PGRMF,,,,,,,,,,,,,,,*hh GPS week number (0 to 1023) GPS seconds (0 to 604799) UTC date of position fix, ddmmyy format UTC time of position fix, hhmmss format GPS leap second count Latitude, ddmm.mmmm format (leading zeros will be transmitted) Latitude hemisphere, N or S Longitude, dddmm.mmmm format (leading zeros will be transmitted) Longitude hemisphere, E or W Mode, M = manual, A = automatic Fix type, 0 = no fix, 1 = 2D fix, 2 = 3D fix Speed over ground, 0 to 1851 kilometers/hour Course over ground, 0 to 359 degrees, true Position dilution of precision, 0 to 9 (rounded to nearest integer value) Time dilution of precision, 0 to 9 (rounded to nearest integer value) 4.2.12 Map Datum (PGRMM) The Garmin Proprietary sentence $PGRMM gives the name of the map datum currently in use by the GPS sensor. This information is used by the Garmin MapSource real-time plotting application. $PGRMM,*hh Name of map datum currently in use (variable length field, e.g., "WGS 84") 4.2.13 Sensor Status Information (PGRMT) The Garmin Proprietary sentence $PGRMT gives information concerning the status of the GPS sensor. This sentence is transmitted once per minute regardless of the selected baud rate. $PGRMT,,,,,,,,,*hh Product, model and software version (variable length field, e.g., "GPS 16/17HVS VER 2.05") ROM checksum test, P = pass, F = fail Receiver failure discrete, P = pass, F = fail Stored data lost, R = retained, L = lost Real time clock lost, R = retained, L = lost Oscillator drift discrete, P = pass, F = excessive drift detected Data collection discrete, C = collecting, null if not collecting GPS sensor temperature in degrees C GPS sensor configuration data, R = retained, L = lost 190-00228-21 GPS 16/17 Technical Specifications Page 18 Rev. A