RoyalTek RSA-1500L - Manual (Page 15)

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RSA-1500L User Manual
2.1.3 GSA-GNSS DOP and Active Satellites
Table 2-5 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 2-5 GSA Data Format
Name Example Units Description
Message ID $GPGSA GSA protocol header
Mode 1 A See Table 4-2
Mode 2 3 See Table 4-1
Satellite Used 07 Sv on Channel 1
Satellite Used 02 Sv on Channel 2
…. ….
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
Checksum *33
＜CR＞＜LF＞ End of message termination
Table 2-6 Mode 1
Value Description
1 Fix not available
2 2D
3 3D
Table 2-7 Mode 2
Value Description
M Manual-forced to operate in 2D or 3D mode
A Automatic-allowed to automatically switch 2D/3D
2.1.4 GSV-GNSS Satellites in View
Table 2-8 contains the values of the following example:
$GPGSV, 2, 1, 07, 07, 79, 048, 42, 02, 51, 062, 43, 26, 36, 256, 42, 27, 27, 138,
42*71$GPGSV, 2, 2, 07, 09, 23, 313, 42, 04, 19, 159, 41, 15, 12, 041, 42*41