Garmin LVC 18 Technical Specification - Page 24

Recommended Minimum Specific GPS/TRANSIT Data (RMC), Track Made Good and Ground Speed (VTG)

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4.2.7 Recommended Minimum Specific GPS/TRANSIT Data (RMC) $GPRMC,,,,,,,,,,,,*hh UTC time of position fix, hhmmss format for GPS 18 PC/LVC; hhmmss.s format for GPS 18-5Hz Status, A = Valid position, V = NAV receiver warning Latitude, ddmm.mmm format for GPS 18 PC/LVC; ddmm.mmmmm format for GPS 18-5Hz (leading zeros must be transmitted) Latitude hemisphere, N or S Longitude, ddmm.mmm format for GPS 18 PC/LVC; ddmm.mmmmm format for GPS 18-5Hz (leading zeros must be transmitted) Longitude hemisphere, E or W Speed over ground, GPS 18 PC and LVC: 000.0 to 999.9 knots, GPS 18-5Hz: 000.00 to 999.99 knots (leading zeros will be transmitted) Course over ground, 000.0 to 359.9 degrees, true (leading zeros will be transmitted) UTC date of position fix, ddmmyy format Magnetic variation, 000.0 to 180.0 degrees (leading zeros will be transmitted) Magnetic variation direction, E or W (westerly variation adds to true course) Mode indicator (only output if NMEA 0183 version 2.30 active), A = Autonomous, D = Differential, E = Estimated, N = Data not valid 4.2.8 Track Made Good and Ground Speed (VTG) $GPVTG,,T,,M,,N,,K,*hh True course over ground, GPS 18 PC and LVC: 000 to 359 degrees, GPS 18-5Hz: 000.0 to 359.0 degrees(leading zeros will be transmitted) Magnetic course over ground, 000 to 359 degrees, GPS 18-5Hz: 000.0 to 359.0 degrees(leading zeros will be transmitted) Speed over ground, GPS 18 PC and LVC: 000.0 to 999.9 knots, GPS 18-5Hz: 000.00 to 999.99 knots (leading zeros will be transmitted) Speed over ground, GPS 18 PC and LVC: 0000.0 to 1851.8 kilometers per hour, GPS 18-5Hz: 0000.00 to 1851.89 (leading zeros will be transmitted) Mode indicator (only output if NMEA 0183 version 2.30 active), A = Autonomous, D = Differential, E = Estimated, N = Data not valid 4.2.9 Geographic Position (GLL) $GPGLL,,,,,,,*hh Latitude, ddmm.mmm format for GPS 18 PC/LVC; ddmm.mmmmm format for GPS 18-5Hz (leading zeros must be transmitted) Latitude hemisphere, N or S Longitude, ddmm.mmm format for GPS 18 PC/LVC; ddmm.mmmmm format for GPS 18-5Hz (leading zeros must be transmitted) Longitude hemisphere, E or W UTC time of position fix, hhmmss format for GPS 18 PC/LVC; hhmmss.s format for GPS 18- 5Hz Status, A = Valid position, V = NAV receiver warning Mode indicator (only output if NMEA 0183 version 2.30 active), A = Autonomous, D = Differential (WAAS), E = Estimated, N = Data not valid GPS 18 Technical Specifications (190-00307-00) Page 18 Rev. D

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GPS 18 Technical Specifications (190-00307-00)
Rev. D
Page 18
4.2.7
Recommended Minimum Specific GPS/TRANSIT Data (RMC)
$GPRMC,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,<10>,<11>,<12>*hh<CR><LF>
<1>
UTC time of position fix, hhmmss format for GPS 18 PC/LVC;
hhmmss.s format for GPS 18-5Hz
<2>
Status, A = Valid position, V = NAV receiver warning
<3>
Latitude, ddmm.mmm format for GPS 18 PC/LVC; ddmm.mmmmm format for GPS 18-5Hz
(leading zeros must be transmitted)
<4>
Latitude hemisphere, N or S
<5>
Longitude, ddmm.mmm format for GPS 18 PC/LVC; ddmm.mmmmm format for GPS 18-5Hz
(leading zeros must be transmitted)
<6>
Longitude hemisphere, E or W
<7>
Speed over ground, GPS 18 PC and LVC: 000.0 to 999.9 knots,
GPS 18-5Hz: 000.00 to 999.99
knots (leading zeros will be transmitted)
<8>
Course over ground, 000.0 to 359.9 degrees, true (leading zeros will be transmitted)
<9>
UTC date of position fix, ddmmyy format
<10>
Magnetic variation, 000.0 to 180.0 degrees (leading zeros will be transmitted)
<11>
Magnetic variation direction, E or W (westerly variation adds to true course)
<12>
Mode indicator (only output if NMEA 0183 version 2.30 active), A = Autonomous,
D = Differential, E = Estimated, N = Data not valid
4.2.8
Track Made Good and Ground Speed (VTG)
$GPVTG,<1>,T,<2>,M,<3>,N,<4>,K,<5>*hh<CR><LF>
<1>
True course over ground, GPS 18 PC and LVC: 000 to 359 degrees, GPS 18-5Hz: 000.0 to
359.0 degrees(leading zeros will be transmitted)
<2>
Magnetic course over ground, 000 to 359 degrees, GPS 18-5Hz: 000.0 to 359.0 degrees(leading
zeros will be transmitted)
<3>
Speed over ground, GPS 18 PC and LVC: 000.0 to 999.9 knots,
GPS 18-5Hz: 000.00 to 999.99
knots (leading zeros will be transmitted)
<4>
Speed over ground, GPS 18 PC and LVC: 0000.0 to 1851.8 kilometers per hour, GPS 18-5Hz:
0000.00 to 1851.89 (leading zeros will be transmitted)
<5>
Mode indicator (only output if NMEA 0183 version 2.30 active), A = Autonomous,
D = Differential, E = Estimated, N = Data not valid
4.2.9
Geographic Position (GLL)
$GPGLL,<1>,<2>,<3>,<4>,<5>,<6>,<7>*hh<CR><LF>
<1>
Latitude, ddmm.mmm format for GPS 18 PC/LVC; ddmm.mmmmm format for GPS 18-5Hz
(leading zeros must be transmitted)
<2>
Latitude hemisphere, N or S
<3>
Longitude, ddmm.mmm format for GPS 18 PC/LVC; ddmm.mmmmm format for GPS 18-5Hz
(leading zeros must be transmitted)
<4>
Longitude hemisphere, E or W
<5>
UTC time of position fix, hhmmss format for GPS 18 PC/LVC; hhmmss.s format for GPS 18-
5Hz
<6>
Status, A = Valid position, V = NAV receiver warning
<7>
Mode indicator (only output if NMEA 0183 version 2.30 active), A = Autonomous,
D = Differential (WAAS), E = Estimated, N = Data not valid