Instruction manual

Command Response Formats Page 107
Command
$GPGSV
The response message is in the form:
$GPGSV,d1,d2,d3,d4,d5,d6,d7,d8,d9,d10,d11,d12,d13,d14,d15,
d16,d17,d18,d19*CC
where the fields are as defined in Table 4.53.
Example: Query: $PASHQ,GSV,c or
Set:$PASHS,NME,GSV,c,ON
Typical response:
$GPGSV,2,1,08,16,23,293,29,19,63,050,59,28,11,038,21,29,14, 145,16*78
where each item is as described in Table 4.54.
Table 4.53: GSV Structure
Field Description
d1 Total number of messages (1 to 3)
d2 Message number (1 to 3)
d3 Total number of satellites in view (1 to 12)
d4 Satellite PRN (1 to 32)
d5 Elevation (degrees from 0 to 90)
d6 Azimuth (degrees from 0 to 359)
d7 SNR (0 to 99 dB)
d8-d11 Same as d4-d7 but for second satellite
d12-d15 Same as d4-d7 but for third satellite
d16-d19 Same as d4-d7 but for fourth satellite
Table 4.54: Typical GSV Message
Field Description
$GPGSV Header
2
Total number of messages
1
message number
8
number of SVs in view
16
PRN of first satellite
23
elevation of first satellite
293
azimuth of first satellite