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$GPGSA (Syntax)

12/6/2011

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Summary
NMEA 0183 standard GNSS DOP and Active Satellites.

Syntax
$GPGSA,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,<10>,<11>,<12>,<13>,<14>,<15>,<16>,<17>
              *hh<CR><LF>

Fields
<1>       M = Manual, forced to operate in 2D or 3D. A = Automatic, allowed to automatically switch 2D/3D
<2>       1 = Fix not available, 2 = 2D fix, 3 = 3D fix
<3>       ID numbers of satellite used in solution
<4>       ID numbers of satellite used in solution
<5>       ID numbers of satellite used in solution
<6>       ID numbers of satellite used in solution
<7>       ID numbers of satellite used in solution
<8>       ID numbers of satellite used in solution
<9>       ID numbers of satellite used in solution
<10>     ID numbers of satellite used in solution
<11>     ID numbers of satellite used in solution
<12>     ID numbers of satellite used in solution
<13>     ID numbers of satellite used in solution
<14>     ID numbers of satellite used in solution
<15>     Positional Dilution of Precision (PDOP).  This field is null unless the GPS has a 3D fix.
<16>     Horizontal Dilution of Precision (HDOP). Null unless the GPS has either a 2D fix or a 3D fix.
<17>     Vertical Dilution of Precision (VDOP).  This field is null unless the GPS has a 3D fix.

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    Yannis Baxevanis | Managing Director | nuova marea ltd

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