AP-19
APPENDIX 4 DIGITAL INTERFACE
(IEC 61162-1)
I/O Sentences
Input sentences (IEC 61162-1)
GGA, GLL, ZDA, GNS, RMC
Input sentence description
• GGA - Global positioning system (GPS) fix data
• GLL - Geographic position - latitude/longitude
• ZDA - Time and date
$**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 2 3 4 5 6 7 8 9 10 11 12 13 14
1. UTC of position (000000.00 - 235959.99)
2. Latitude (0000.0000 - 9000.0000)
3. N/S
4. Longitude (00000.0000 - 18000.0000)
5. E/W
6. GPS quality indicator (1 - 7)
7. Number of satllite in use (no use)
8. Horizontal dilution of precision (no use)
9. Antenna altitude above/below mean sealevel (no use)
10. Unit, m
11. Geoidal separation (no use)
12. Unit, m
13. Age of differential GPS data (no use)
14. Differential reference station ID (no use)
$**GLL,llll.lll,a,yyyyy.yyy,a,hhmmss.ss,a,x*hh<CR><LF>
1 2 3 4 5
6 7
1. Latitude (0000.0000 - 9000.0000)
2. N/S
3. Longitude (00000.0000 - 18000.0000)
4. E/W
5. UTC of position (000000.00 - 235959.99)
6. Status (A=data valid V=data invalid)
7. Mode indicator (A=Autonomous D=Differential
E=Estimated (dead reckoning) mode M=Manual input mode
N=No fix S=Simulator mode
$**ZDA,hhmmss.ss,xx,xx,xxxx,xx,xx*hh<CR><LF>
1 2 3 4 5 6
1. UTC (000000.00 - 235959.99)
2. Day (01 - 31)
3. Month (01 -12)
4. Year (2000 - 2049)
5. Local zone, hours (no use)
6. Loca zone, minutes (no use)
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