GSOF message: Detail SV Info
This message describes detailed satellite information. It contains the following data:
-
Number of satellites tracked
-
The PRN number of each satellite
-
Flags indicating satellite status
-
Elevation above horizon, in degrees
-
Azimuth from True North, in degrees
-
Signal-to-noise ratio (SNR) of L1 signal
-
Signal-to-noise ratio (SNR) of L2 signal
SV detail (Type 14 record)
Field |
Item |
Type |
Value |
Meaning |
---|---|---|---|---|
0 |
Output record type |
Char |
0Eh |
Detailed satellite information output record |
1 |
Record length |
Char |
1 + 8 (number of SVs) |
Bytes in record |
2 to 9 |
Number of SVs |
Char |
00h-18h |
Number of satellites included in record Includes all tracked satellites, all satellites used in the position solution, and all satellites in view. |
The following bytes are repeated for each SV: |
||||
PRN |
Char |
01h-20h |
Pseudorandom number of satellites (1 to 32) |
|
Flags1 |
Char |
First set of satellite status bits |
||
Flags2 |
Char |
Second set of satellite status bits |
||
Elevation |
Char |
Degrees |
Angle of satellite above the horizon |
|
Azimuth |
Short |
Degrees |
Azimuth of satellite from True North |
|
SNR L1 |
Char |
dB * 4 |
Signal-to-noise ratio of L1 signal (multiplied by 4) 1 |
|
SNR L2 |
Char |
dB * 4 |
Signal-to-noise ratio of L2 signal (multiplied by 4) 1 |
1. The SNR L1 and SNR L2 items are set to zero for satellites that are not tracked on the current frequency.