TOKNAV T20Pro - Page 25

TokNav Information Technology CO., LTD.
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<6>
GPS status: 0=no positioning, 1=single point positioning, 2=SBAS differential
positioning, 4=RTK fixed solution, 5=RTK floating point solution, 6=inertial navigation
positioning
<7>
The number of satellites (00~12) using the solution position
<8>
HDOP horizontal precision factor (0.5~99.9)
<9>
Altitude (- 9999.9~99999.9)
<10>
Height of earth ellipsoid relative to geoid
<11>
Differential time (the number of seconds since the last differential signal was
received. If it is not differential positioning, it will be null)
<12>
Differential station ID No. 0000~4095 (the previous 0 will also be transmitted,
otherwise it will be null)
GPGSA
$GPGSA,<1>,<2>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<4>,<5>,<6>*hh
<1>
Mode, M=manual, A=automatic
<2>
Positioning type, 1=no positioning, 2=2D positioning, 3=3D positioning
<3>
PRN code (pseudo-random noise code), the satellite number (01~32, the previous 0
will also be transmitted) being used to calculate the position.
<4>
PDOP position precision factor (0.5~99.9). The spatial geometric intensity factor of
satellite distribution. Generally, the better the satellite distribution is, the smaller
the PDOP value is, which is generally less than 3.
<5>
HDOP horizontal precision factor (0.5~99.9)
<6>
VDOP vertical precision factor (0.5~99.9)