LBANDTRACKSTAT
L-Band beams status
|
Platform: |
OEM719, OEM729, OEM7500, OEM7600, OEM7700, OEM7720, PwrPak7, CPT7, CPT7700, SMART7, SMART2 |
This log reports the L-Band tracking and Viterbi decoding status for the tracked L-Band beams.
The maximum logging rate for LBANDTRACKSTAT is 2 Hz.
Message ID: 1201
Log type: Synch
Recommended input:
log lbandtrackstata ontime 1
ASCII example:
#LBANDTRACKSTATA,USB1,0,52.5,FINESTEERING,2209,508418.000,12000020,29e3,16809;
5,
"98W",1545865000,1200,974c,00c2,0,-334.215,40.513,3.0445,4338.944,82624,36,35,10575872,4081,0.0004,
"AORW",1545845000,1200,974c,00c2,0,48.172,44.840,3.8044,4346.541,82752,0,0,10592256,0,0.0000,
"POR",1545905000,1200,974c,0000,0,-440.550,0.000,0.0000,0.000,0,0,0,0,0,0.0000,
"",0,0,0000,0003,0,0.000,0.000,0.0000,0.000,0,0,0,0,0,0.0000,
"",0,0,0000,0003,0,0.000,0.000,0.0000,0.000,0,0,0,0,0,0.0000*5b097814
|
Field |
Field type |
Description |
Format |
Binary bytes |
Binary offset |
|
1 |
Log header |
LBANDTRACKSTAT header For information about log headers, see ASCII, Abbreviated ASCII or Binary. |
|
H |
0 |
|
2 |
#entries |
Number of records to follow |
Ulong |
4 |
H |
|
3 |
Name |
Beam/transmitting satellite name |
Char[8] |
8 |
H+4 |
|
4 |
Frequency |
Frequency assigned to this L-Band beam (Hz) |
Ulong |
4 |
H+12 |
|
5 |
Baud rate |
Baud rate of assigned beam |
Ushort |
2 |
H+16 |
|
6 |
ID |
Service ID of the assigned beam |
Ushort |
2 |
H+18 |
|
7 |
Status |
Tracking status word. See Table: L-Band signal tracking status |
Ushort |
2 |
H+20 |
|
8 |
Reserved |
Reserved |
Ushort |
2 |
H+22 |
|
9 |
Doppler |
Signal Doppler (Hz) |
Float |
4 |
H+24 |
|
10 |
C/No |
Carrier to noise density ratio (dB-Hz) |
Float |
4 |
H+28 |
|
11 |
Phase stability metric |
Tracking stability metric. A higher value is better. A loss of lock may occur when this value drops below 1.2. |
Float |
4 |
H+32 |
|
12 |
Lock time |
Lock time (s) |
Float |
4 |
H+36 |
|
13 |
Unique word bits |
Total unique word bits |
Ulong |
4 |
H+40 |
|
14 |
Bad unique word bits |
Bad unique word bits |
Ulong |
4 |
H+44 |
|
15 |
Bad unique words |
Bad unique words |
Ulong |
4 |
H+48 |
|
16 |
Viterbi symbols |
Total Viterbi symbols |
Ulong |
4 |
H+52 |
|
17 |
Corrected Viterbi |
Corrected Viterbi symbols |
Ulong |
4 |
H+56 |
|
18 |
Bit error rate |
Estimated pre-Viterbi Bit Error Rate (BER) |
Float |
4 |
H+60 |
|
19 |
Next entry offset = H + 4 + (#entries x 60) |
||||
|
20 |
xxxx |
32-bit CRC (ASCII and Binary only) |
Hex |
4 |
H+4+(#entries x 60) |
|
21 |
[CR][LF] |
Sentence terminator (ASCII only) |
- |
- |
- |