INTERFACE SPECIFICATIONS
SeaBat 8160
Operator‟s Manual
Page 90
October 6, 2011
Version 5
Table 26: Uplink Frame Format
Byte
Function
0
Frame synchronization bit pattern: J-sync followed by K-sync.
1
Various telemetry and status messages.
2
LSB of frame up-counter. Reset to zero during ping.
3
MSB of frame up-counter. Reset to zero during ping.
4
I value of receiver 0.
5
Q value of receiver 0.
6
I value of receiver 1.
7
Q value of receiver 1.
|
|
510
I value of receiver 253.
511
Q value of receiver 253.
Table 27: Uplink Encoding Scheme From 4-Bit Nibbles to 5-Bit Codes
Nibble
4-to-5
(first
– last)
0000
10101
0001
01001
0010
10100
0011
11110
0100
01010
0101
01011
0110
01110
0111
01111
1000
10010
1001
10011
1010
10110
1011
10111
1100
11101
1101
11011
1110
11100
1111
11010
J-Sync
11000
K-Sync
10001