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Ap-4 – Furuno DS-60 User Manual

Page 78

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APPENDIX 2 DIGITAL INTERFACE

AP-4

GGA - Global Positioning System Fix Data

GLL - Geographic position

GNS - GNSS Fix Data

$ ** GGA, hhmmss.ss, lill.ll, a, yyyyy.yy, a, x, xx, x.x, x.x, M, x.x, M, x.x, xxxx *hh
1 2 3 4 5 6 7 8 9 10 11 12 13 14

1. UTC (no use)
2. Latitude, N/S
3. N/S
4. GPS quality indicator
5. E/W
6. Quality index
7. Satellites used (no use)
8. DOP (no use)
9. Antenna height above the sea level (no use)
10. Unit (M) (no use)
11. Geoid height (no use)
12. Unit (M) (no use)
13. Age of differential GPS date (no use)
14. Differential reference station ID (no use)

$ ** GLL, llll.ll, a, yyyyy.yyy, a, hhmmss.ss, x, x *hh

1. Latitude
2. N/S
3. Longitude
4. E/W
5. UTC of Position
6. Status (A: Data valid, V: Data not valid)
7. Mode indicator (A: Autonomous, D: Differential mode, S: Simulator mode)

1 2 3 4 5 6 7

$ ** GNS, hhmmss.ss, llll.ll, a, yyyyy.yyy, a, cc, xx, x.x, x.x, x.x x.x, x.x *hh
1 2 3 4 5 6 7 8 9 10 11 12

1. UTC of position (no use)
2. Latitude
3. N/S
4. Longitude
5. E/W
6. Mode indicator (N=No fix, A=Autonomous, D=Differential, P=Precise, R=Real Time Kinetic, F=Float RT
E=Estimated Mode, M=Manual Input Mode, S=Simulator Mode
7. Total number of satllite in use (no use)
8. HDOP (no use)
9. Antenna altitude (no use)
10. Geoidal separation (no use)
11. Age of differential data (no use)
12. Differential reference station ID (no use)