Rmc-Recommended Minimum Specific Gnss Data - RoyalTek RET-3570LP User Manual

M
A
GSV-GNSS Satellites in View
Table 7 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
Name
Message ID
Number of
1
Messages
Messages Number
Satellites in View
Satellite ID
Elevation
Azimuth
SNR (C/No)
....
Satellite ID
Elevation
Azimuth
SNR (C/No)
Checksum
＜CR＞＜LF＞
1
Depending on the number of satellites tracked multiple messages of GSV data may be required.

RMC-Recommended Minimum Specific GNSS Data

Table 8 contains the values of the following example:
$GPRMC, 161229.487, A, 3723.2475, N, 12158.3416, W, 0.13, 309.62, 120598, ,*10
Name
Message ID
UTC Position
Status
RoyalTek Confidential
Manual-forced to operate in 2D or 3D mode
Automatic-allowed to automatically switch 2D/3D
Table 7 GGA Data Format
Example Units
$GPGSV
2
1
1
07
07
79 degrees Channel 1(Maximum 90)
048 degrees Channel 1(True, Range 0 to 359)
42 dBHz
27
27 degrees Channel 4(Maximum 90)
138 degrees Channel 4(True, Range 0 to 359)
42 dBHz
*71
Table 8 GGA Data Format
Example Units
$GPRMC
161229.487
A
RET-3570LP User Manual
Description
GSV protocol header
Range 1 to 3
Range 1 to 3
Channel 1(Range 1 to 32)
Range 0 to 99, null when not tracking
....
Channel 4(Range 1 to 32)
Range 0 to 99, null when not tracking
End of message termination
Description
RMC protocol header
hhmmss.sss
A=data valid or V=data not valid
16