P-12
GNS - GNSS fixed data
$--GNS,hhmmss.ss,llll.ll,a,yyyyy.yy,a,c--c,xx,x.x,x.x,x.x,x.x,x.x*hh<CR><LF>
| | | | | | | | | | | | |
| | | | | | | | | | | | +--- 11
| | | | | | | | | | | +------ 10
| | | | | | | | | | +---------- 9
| | | | | | | | | +-------------- 8
| | | | | | | | +------------------ 7
| | | | | | | +---------------------- 6
| | | | | | +------------------------- 5
| | | | | +------------------------------ 4
| | | +-------+--------------------------------- 3
| +--+--------------------------------------------- 2
+------------------------------------------------------------- 1
1. Not used
2. Latitude, N/S
3. Longitude, E/W
4. Mode indicator
5. Not used
6. Not used
7. Not used
8. Not used
9. Not used
10. Not used
11. Checksum
HDT - Heading - true
$--HDT,x.x,T*hh<CR><LF>
| | |
| | +--------- 2
+----+----------- 1
1. Heading, degrees true
2. Checksum