NMEA RMA datagram
The NMEA RMA datagram transfers the time, date, position, course and speed data from a Loran-C receiver.
Format
$--RMA,A,llll.ll,a,yyyyy.yy,a,t.1,t.2,x.x,z.z,r.r,a*hh
Description
1 $—Talker identifier
2 RMADatagram identifier
3 AStatus
A = The data are valid.
V = The data are not valid.
4 llll.ll,aLatitude North/South (Degrees, minutes and hundredths)
N = North
S = South
5 yyyyy.yy,a: Longitude East/West (Degrees, minutes and hundredths)
W = West
E = East
6 t.1Time Difference A, µS
7 t.2Time Difference B, µS
8 x.xSpeed over ground (knots)
9 z.zCourse over ground (Degrees True)
10 r.r,aMagnetic variation, East/West (Degrees)
E = East
W = West
11 *hhChecksum