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Using the
DGPS 53
Operation
Track Made Good and Ground Speed with LORAN Talker ID
(LCVTG)
The LCVTG sentence reports track and velocity information.
$LCVTG,<1>,T,<2>,M,<3>,N,<4>,K,<5><CR><LF>
<1> True course over ground, 000 to 359 degrees (leading zeros
will be transmitted)
<2> Magnetic course over ground, 000 to 359 degrees (leading zeros will be transmitted)
<3> Speed over ground, 000.0 to 999.9 knots (leading zeros will be transmitted)
<4> Speed over ground, 0000.0 to 1851.8 kilometers per hour (leading zeros will be transmitted)
<5> Mode indicator (only output if NMEA 2.30 active), A = Autonomous, D = Differential, E =
Estimated, N = Data not valid
Estimated Error Information (PGRME)
The GARMIN Proprietary sentence $PGRME reports estimated position error information.
$PGRME,<1>,M,<2>,M,<3>,M*hh<CR><LF>
<1> Estimated horizontal position error (HPE), 0.0 to 999.9 meters
<2> Estimated vertical position error (VPE), 0.0 to 999.9 meters
<3> Estimated position error (EPE), 0.0 to 999.9 meters
GPS Fix Data Sentence (PGRMF)
The sentence $PGRMF is GARMIN Proprietary format; reporting time, position, speed and course
information
$PGRMF,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,<10>,<11>,<12>,<13>,<14>,<15>
*hh<CR><LF>
<1> GPS week number (0 - 1023)
<2> GPS seconds (0 - 604799)
<3> UTC date of position fix, ddmmyy format
<4> UTC time of position fix, hhmmss format
<5> GPS leap second count
<6> Latitude, ddmm.mmmm format (leading zeros will be transmitted)
<7> Latitude hemisphere, N or S
<8> Longitude, dddmm.mmmm format (leading zeros will be transmitted)
<9> Longitude hemisphere, E or W
<10> Mode, M = manual, A = automatic
<11> Fix type, 0 = no fix, 1 = 2D fix, 2 = 3D fix
<12> Speed over ground, 0 to 1851 kilometers/hour
<13> Course over ground, 0 to 359 degrees, true
<14> Position dilution of precision, 0 to 9 (rounded to nearest integer value)
<15> Time dilution of precision, 0 to 9 (rounded to nearest integer value)
Sensor Status Information (PGRMT)
The GARMIN Proprietary sentence $PGRMT gives information concerning the status of the DGPS
53. This sentence is transmitted once per minute regardless of the selected baud rate.