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New2001
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DIGITAL INTERFACE (IEC 61162-1)
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• GNS—GNSS fix data
$**GNS, hhmmss.ss,
llll.ll
, a, yyyyy.yy, a, c--c, xx, x.x, x.x, x.x, x.x, x.x, a*hh<CR><LF>
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UTC of position (000000.00 to 235959.99)
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HDOP (no use)
2 Latitude (0000.0000 to 9000.0000)
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Antenna altitude, meters (no use)
3 N/S
10 Geoidal separation (no use)
4 Longitude (00000.0000 to 18000.0000)
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Age of differential data (no use)
5 E/W
12 Differential reference station ID (no use)
6 Mode indicator (N=No fix, A=Autonomous, D=Differential, P=Precise,
R=Real Time Kinematic, F=Float RTK, S=Simulator mode)
13 Navigational status indicator (no use)
7 Total number of satellites in use (no use)
• GLL—Geographic position – Latitude/longitude
$**GLL,
llll.ll
, a, yyyyy.yy, a, hhmmss.ss, a, x*hh<CR><LF>
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Latitude (0000.0000 to 9000.0000)
5 UTC of position (000000.00 to 235959.99)
2 N/S
6 Status (A=data valid V=data invalid)
3 Longitude (00000.0000 to 18000.0000)
7 Mode indicator (A=Autonomous, D=Differential, N=No fix,
S=Simulator mode)
4 E/W
• VTG—Course over ground and ground speed
$**VTG, x.x,
T
, x.x, M, x.x, N, x.x, K, a*hh<CR><LF>
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Course over ground, degrees true (0.0 to 360.0)
6 Unit N
2 Unit T
7 Speed over ground, km/h (no use)
3 Course over ground, degrees magnetic (no use)
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Unit K
4 Unit M
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Mode indicator (A=Autonomous, D=Differential, E=Estimated,
M=Manual input, P=Precise, S=Simulator, N=Data not valid)
5 Speed over ground, knots (0.0 to 100.0)