USGlobalsat ER-506 User Manual
Page 9
ER-506
High Performance GPS Module
- 10 -
GSV - GNSS Satellites in View
Table B-8 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 B-8 GSV Data Format
Name
Example
Units
Description
Message ID
$GPGSV
GSV protocol header
Number of Messages
1
2
Range 1 to 3
Message Number
1
1
Range 1 to 3
Satellites in View
1
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)
SNR(C/No)
42
dBHz
Range 0 to 99,null when not tracking
Checksum
*71
End of message termination
1. Depending on the number of satellites tracked, multiple messages of GSV data may be
required. In some software versions, the maximum number of satellites reported as visible is
limited to 12, even though more may be visible.