Garmin 17x Technical Specifications - Page 18

4.2.4 Global Positioning System Fix Data (GPGGA) $GPGGA,,,,,,,,,,M,,M,,*hh UTC time of position fix, hhmmss format for GPS 17x HVS Latitude, ddmm.mmmm format for GPS 17x HVS (leading zeros will be transmitted) Latitude hemisphere, N or S Longitude, dddmm.mmmm format for GPS 17x HVS (leading zeros will be transmitted) Longitude hemisphere, E or W GPS quality indication, 0 = fix not available, 1 = Non-differential GPS fix available, 2 = Differential GPS (WAAS) fix available, 6 = Estimated Number of satellites in use, 00 to 12 (leading zeros will be transmitted) Horizontal dilution of precision, 0.5 to 99.9 Antenna height above/below mean sea level, -9999.9 to 99999.9 meters Geoidal height, -999.9 to 9999.9 meters Null (Differential GPS) Null (Differential Reference Station ID) 4.2.5 GPS DOP and Active Satellites (GPGSA) $GPGSA,,,,,,,,,,,,,,,,,*hh Mode, M = Manual, A = Automatic Fix type, 1 = not available, 2 = 2D, 3 = 3D PRN number, 01 to 32, of satellite used in solution, up to 12 transmitted (leading zeros will be transmitted) Position dilution of precision, 0.5 to 99.9 Horizontal dilution of precision, 0.5 to 99.9 Vertical dilution of precision, 0.5 to 99.9 4.2.6 GPS Satellites in View (GPGSV) $GPGSV,,,,,,,,...,,,*hh Total number of GSV sentences to be transmitted Number of current GSV sentence Total number of satellites in view, 00 to 12 (leading zeros will be transmitted) Satellite PRN number, 01 to 32 (leading zeros will be transmitted) Satellite elevation, 00 to 90 degrees (leading zeros will be transmitted) Satellite azimuth, 000 to 359 degrees, true (leading zeros will be transmitted) Signal to noise ratio (C/No) 00 to 99 dB (leading zeros will be transmitted) Note: Items ,,, and repeat for each satellite in view to a maximum of four (4) satellites per sentence. 190-00885-07 GPS 17x HVS Technical Specifications Page 14 Rev. A