Furuno FELCOM19 Inmarsat Mini-C MES Operator's Manual page 135

GGA: Global positioning system fix data
$**GGA,hhmmss.ss,llll.lll,a,yyyyy.yyy,a,x,xx,x.x,x.x,M,x.x,M,x.x,xxxx,*hh<CR><LF>
1
1. UTC of position (no use)
2. Latitude (0.00000 - 9000.00000)
3. N/S
4. Longitude (0.00000 - 18000.00000)
5. E/W
6. GPS quality indicator (1 -8)
7. Number of satllite in use (00 -12)
8. Horizontal dilution of precision (0.00 - 999.99), No use
9. Antenna altitude above/below mean sealevel (-999.99 - 9999.99), No use
10. Unit, m, No use
11. Geoidal separation (-999.99 - 9999.99), No use
12. Unit, m, No use
13. Age of differential GPS data (0 - 99), Ver. 2.0, 3.0 only
14. Differential reference station ID (0000-1023), Ver. 2.0, 3.0 only
GLL: Geographic position
$**GLL,llll.lll,a,yyyyy.yyy,a,hhmmss.ss,a,x,*hh<CR><LF>
1 2 3
1. Latitude (0.00000 - 9000.00000)
2. N/S
3. Longitude (0.00000 - 18000.00000)
4. E/W
5. UTC of position (no use), Ver 2.0, 3.0 only
6. Status (A=data valid V=data invalid), Ver 2.0, 3.0 only
7. Mode indicator* (A=Autonomous D=Differential E=Estimated M=Manual S=Simulator)
* Ver. 3.0 only)
GNS: GNSS fix data
$**GNS,hhmmss.ss,llll.lll,a,IIIII.III,a,c--c,xx,x.x,x.x,x.x,x.x,x.x,a*hh<CR><LF>
1
1. UTC of position (no use)
2. Latitude (0.00000 - 9000.00000)
3. N/S
4. Longitude (0.00000 - 18000.00000)
5. E/W
6. Mode indicator
N=No fix A=Autonomous D=Differential P=Precise R=Real Time Kinematic
F=Float RTK E=Estimated Mode M=Manual Input Mode S=Simulator Mode
7. Total number of satellites in use (00 - 99), No use
8. HDOP (0.0 - 999.99), No use
9. Antenna altitude, meters (-999.99 - 9999.99), No use
10. Geoidal separation (-999.99 - 9999.99), No use
11. Age of differential data (0 - 999), No use
12. Differential reference station ID (0000 - 1023), No use
13. Navigational status indicator. No use
2 3 4 5 6 7 8
4 5 6 7
2 3 4 5 6 7 8 9 10 11 12 13
APPENDIX 6 DIGITAL INTERFACE
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AP-29