Furuno FAR-28x7 Series - Manual (Page 267)

APPENDIX
AP-25
TLL - Target latitude and longitude
For non-IMO specification radar, this function outputs event mark position.
$--TLL,xx,llll.lll,a,yyyyy.yyy,a,c--c,hhmmss.ss,a,a*hh
| | | | | | | | | |
| | | | | | | | | +--------- 8
| | | | | | | | +----------- 7
| | | | | | | +------------- 6
| | | | | | +-------------------- 5
| | | | | +-------------------------- 4
| | | +-----+------------------------------ 3
| +----+------------------------------------------ 2
+----------------------------------------------------- 1
1. Target number 00 - 99
2. Latitude, N/S
3. Longitude, E/W
4. Target name
5. UTC of data
6. Target status(see note)
7. Reference target=R,null otherwise
8. Checksum
NOTE - Target status
L = lost, tracked target has beenlost
Q = query, target in the process of acquisition
T = tracking