GLOBALSAT ET-314 GPS Engine Board - Manual (Page 11)

ET-314AC
High Performance GPS Engine Board
2010/4/1
- 11 -
1 Fix Not Available
2 2D
Mode 2 3
3 3D
Satellite Used 1 07 Sv on Channel 1
Satellite Used 1 02 Sv on Channel 2
…..
Satellite Used 1 Sv on Channel 12
PDOP 2 1.8 Position dilution of Precision
HDOP 2 1.0 Horizontal dilution of Precision
VDOP 2 1.5 Vertical dilution of Precision
Checksum *33
End of message termination
1. Satellite used in solution.
2. Maximum DOP value reported is 50. When 50 is reported, the actual DOP may be much
larger.
GSV - GNSS Satellites in View
Table A-5 contains the values for 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
Table A-5 GSV Data Format
Name Example Units Description
Message ID $GPGSV GSV protocol header
Number of
Messages1
2 Range 1 to 3
Message Number1 1 Range 1 to 3
Satellites in View1 07
Satellite ID 07 Channel 1(Range 1 to 32)
Elevation 79 degrees Channel 1(Maximum90)
Azimuth 048 degrees Channel 1(True, Range 0 to 359)
SNR(C/No) 42 dBHz Range 0 to 99,null when not tracking
……. …….
Satellite ID 27 Channel 4 (Range 1 to 32)
Elevation 27 Degrees Channel 4(Maximum90)
Azimuth 138 Degrees Channel 4(True, Range 0 to 359)