Altina GPS 9540 사용자 설명서
5.5. GNSS Satellites in View (GSV)
Table 5-8 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 5-8 GSV Data Format
Name Example
Units
Description
Message ID
$GPGSV
GSV protocol header
Number of
Messages
2
Range 1 to 3
Message Number
1
Range 1 to 3
Satellites in View
07
Range 1 to 12
Satellite ID
07
Channel 1 (Range 1 to 32)
Elevation
79
degrees Channel 1 (Maximum 90)
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 (Maximum 90)
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
<CR> <LF>
End of message termination
NOTE: Items <4>,<5>,<6> and <7> repeat for each satellite in view to a maximum of four (4) satellites per sentence. Additional satellites
in view information must be sent in subsequent sentences. These fields will be null if unused.
5.6. Recommended Minimum Specific GNSS Data (RMC)
Table 5-9 contains the values for the following example.
$GPRMC,161229.487,A,3723.2475,N,12158.3416,W,0.13,309.62,120598, ,*10
11