RoyalTek REB-1315LPX, Руководство по эксплуатации

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17
REB-1315LPX Operational Manual
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Table 3 Position Fix Indicators
Value Description
0 Fix not available or invalid
1 GPS SPS Mode, fix valid
2 Differential GPS, SPS Mode, fix valid
3-5 Not Supported
6 Dead Reckoning Mode, fix valid
GSA-GNSS DOP and Active Satellites
Table 4 contains the values of the following example:
$GPGSA, A, 3, 07, 02, 26, 27, 09, 04, 15, , , , , , 1.8,1.0,1.5*33
Table 4 GSA Data Format
Name Example Units Description
Message ID $GPGSA GSA protocol header
Mode 1 A See Table 5
Mode 2 3 See Table 6
ID of Satellite
Used
07 Sv on Channel 1
ID of Satellite
Used
02 Sv on Channel 2
…. ….
ID of Satellite
Used
Sv on Channel 12
PDOP 1.8 Position Dilution of Precision
HDOP 1.0 Horizontal Dilution of Precision
VDOP 1.5 Vertical Dilution of Precision
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Table 5 Mode 1
Value Description
M Manual-forced to operate in 2D or 3D mode
A Automatic-allowed to automatically switch 2D/3D