RoyalTek RGM-2000 - Manual (Page 41)

TABLE 3-1 MODE 1
Value Description
1 Fix not available
2 2D
3 3D
TABLE 3-2 MODE 2
Value Description
M Manual－forced to operate in 2D or 3D mode
A Automatic－allowed to automatically switch 2D/3D
GSV－ － － －GNSS Satellites in View
Table 4 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
TABLE 4 GSV DATA FORMAT
Name Example Units Description
Message ID $GPGSV GSV protocol header
Number of Messages
1
2 Range 1 to 3
Messages Number
1
1 Range 1 to 3
Satellites in View 07
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