Furuno FM-8800D Operator's Manual page 124

APPENDIX
TLL – Target latitude and longitude
$--TLL,xx,llll.lll,a,yyyyy.yyy,a,c--c,hhmmss.ss,a,a*hh<CR><LF>
AP-18
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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
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