TW5210 User Manual rev 1_2
26
©2011 Tallysman Wireless, Inc.
Confidential
cc__fix length of valid characters
Spaces are only used in variable text fields.
Negative values are indicated by the first character in the field.
Please see the full NMEA 0183 Specification for a full description of the message field
formats.
‡ Note: The number of decimal digits output on RMC and GGA is configurable i.e. 3,4 or
5
8.1.1
RMC
The RMC message is the recommended minimum data for GPS
$GPRMC,hhmmss.ss,a,llll.lllll,a,yyyyy.yyyyy,a,x.x,x.x,ddmmyy,x.x,a*hh
RMC= Recommended Minimum Specific GPS/TRANSIT Data
$GPRMC,204804.000,V,4520.254,N,07554.206,W,0.0,0.0,200608,0.0,W*7E
The following fields are listed in the order shown in the comma-separated sentence.
1 = UTC of position fix
2 = Data status (A= Data valid, V=navigation receiver warning)
3 = Latitude of fix
4 = N or S
5 = Longitude of fix
6 = E or W
7 = Speed over ground in knots
8 = Track made good in degrees true
9 = UT date
10 = Magnetic variation degrees (Easterly var. subtracts from true course)
11 = E or W
12 = Checksum
