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 std. dev.

Phase error standard deviation (cycles)

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)

-

-

-

L-Band Signal Tracking Status

Nibble

Bit

Mask

Description

Range Value

 

0

0x0001

Tracking State

0 = Searching,
1 = Pull-in,
2 = Tracking,
3 = Idle

N0

1

0x0002

 

2

0x0004

Reserved

 

3

0x0008

N1

4

0x0010

5

0x0020

6

0x0040

Bit Timing Lock

0 = Not Locked,
1 = Locked

7

0x0080

Phase Locked

0 = Not Locked,
1 = Locked

N2

8

0x0100

DC Offset Unlocked

0 = Good,
1 = Warning

9

0x0200

AGC Unlocked

0 = Good,
1 = Warning

10

0x0400

Reserved

11

0x0800

N3

12

0x1000

13

0x2000

14

0x4000

15

0x8000

Error

0 = Good,
1 = Error