Rainbow Electronics EB-A801 - Manual (Page 16)

EB-A801 User’s Manual V1.0
EverMore Technology Inc.
2F, No.7, R&D Road 1, Science-Based Industrial Park, Hsinchu, Taiwan, 300, R.O.C.
http://www.emt.com.tw
16
5.6 $GPGSV
GSV---GNSS Satellites in View
Table 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 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 07
Satellite ID 07 Channel 1 (Range 1 to 32)
Elevation 79 Degrees
Azimuth 048 Degrees Channel 1 (Maximum 90)
SNR (C/No) 42 DBHz Channel 1 (True, Range 0 to 359)
Satellite ID 27 Range 0 to 99, null when not tracking
Elevation 27 Degrees Channel 4 (Range 1 to 32)
Azimuth 138 Degrees Channel 4 (Maximum 90)
SNR (C/No) 42 DBHz Channel 4 (True, Range 0 to 359)
Checksum *71 Range 0 to 99, null when not tracking
<CR> <LF> End of message termination
1. Depending on the number of satellites tracked multiple messages of GSV data may be required.