GPS Navigator J-NAV500
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Appendix C NMEA0183 output sentence and data format
1. Output sentences
RMC : Recommended Minimum Specific GPS/Transit Data.
RMB : Recommended Minimum Navigation Information.
APB : Autopilot Sentence “B”.
BWC : Bearing & Distance to Waypoint.
GLL : Geographic position - Latitude/Longitude,
GGA : Global Position System Fix data.
VTG : Course Over Ground and Ground Speed.
2. Output timing
GGA/RMC/RMB/GLL : 2 seconds interval
APB/BWC/VTG : 2 seconds interval
3. Serial format
Baud rate : 4800 bps
Data bits : 8 bits
Parity : None
Start bit : 1 bit
Stop bit : 1 bit
4. Data format
<Version 1.5>
RMC sentences
$GPRMC,hhmmss,A,ddmm.mm,a,dddmm.mm,a,xx.x,xxx,xxxxxx,xx,a*hh<CR><LF>
1 : UTC of position fix (Hour, Minute, Second)
2 : Data status A: valid V: invalid
3, 4 : Latitude (Degree, Minute), N/S
5, 6 : Longitude (Degree, Minute), E/W
7 : Speed over ground (knot)
8 : Course over ground, degrees True
9 : Date : Day, Month, Year (UTC)
10, 11 : Magnetic variation, E/W
12 : Checksum
1 2 3 4 5 6 7 8 9 10 11 12
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