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Friday, 27 February 2009 By: Steve Warner

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Packet 30 - Broadcasting Services Data Packet & PDC


It contains a 20 byte string that has the channels name stored within it, this how every is transmitted using 8 bits so to display the text properly it is necessary to and the received value with 127.

BDSP 8/30 Format 1

Byte No. Bit No.
0 1 2 3 4 5 6 7
15
Weight Weight Sign
2-2 2-1 20 21 22 23 0
1
 
16
MJD Digit
Weight 104
1 1 1 1
17
MJD Digit
Weight 102
MJD Digit
Weight 103
18
MJD Digit
Weight 100
MJD Digit
Weight 101
19
UTC Hours
Units
UTC Hours
Tens
20
UTC Minutes
Units
UTC Minutes
Tens
21
UTC Seconds
Units
UTC Seconds
Tens


BDSP 8/30 Format 2

13 0 LCI 1 Label Channel Identifier
1 LCI 2
2 LUF 1 Label Update Flag
3 RES
14 0 PCS 1 Sound Status 20 0 PIL 15 Minute
1 PCS 2 1 PIL 16
2 RES 3 2 PIL 17
3 RES 4 3 PIL 18
21 0 PIL 19
15 0 CNI 1 Country 1 PIL 20
1 CNI 2
2 CNI 3 2 CNI 5 Country
3 CNI 4 3 CNI 6
22 0 CNI 7
16 0 CNI 9 Network 1 CNI 8
1 CNI 10
2 CNI 11 Network
2 PIL 1 Day 3 CNI 12
3 PIL 2 23 0 CNI 13
17 0 PIL 3 1 CNI 14
1 PIL 4 2 CNI 15
2 PIL 5 3 CNI 16
3 PIL 6 Month 24 0 PTY 1 Program Type
18 0 PIL 7 1 PTY 2
1 PIL 8 2 PTY 3
2 PIL 9 3 PTY 4
25 0 PTY 5
3 PIL 10 Hour 1 PTY 6
19 0 PIL 11 2 PTY 7
1 PIL 12 3 PTY 8
2 PIL 13
3 PIL 14


Dedicated VPS line

5 11 12 13 14 15
PCS
1 2 3 4
0 1 2 3
CNI
1 2 3 4
4 5 6 7
CNI
9 10
0 1
PIL
1 2 3 4 5 6
2 3 4 5 6 7
PIL
7 8 9 10 11 12 13 14
0 1 2 3 4 5 6 7
PIL
15 16 17 18 19 20
0 1 2 3 4 5
CNI
5 6
6 7
CNI
7 8 11 12 13 14 15 16
0 1 2 3 4 5 6 7
PTY
1 2 3 4 5 6 7 8
0 1 2 3 4 5 6 7
VPS Day
binary
Month
binary
Hour
binary
Minute
binary
Country
binary
Network
binary
Program type
binary
TCC
RI
INC
COC
UVPS
NPT
N N N N
N N N N
N N N N
N N N N
1 1 1 1
N N N N
N N
N N
N N
N N
N N
N N
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
P P P P P P
P P P P P P
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1
P P P P
P P P P
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
P P P P P
P P P P P
1 1 1 1 1 1
1 1 1 1 1 1
1 1 1 1 1 1
1 1 1 1 1 1
P P P P P P
P P P P P P
N N N N
N N N N
N N N N
N N N N
N N N N
N N N N
N N N N N N
N N N N N N
N N N N N N
N N N N N N
N N N N N N
N N N N N N
A A A A A A A A
A A A A A A A A
A A A A A A A A
A A A A A A A A
A A A A A A A A
1 1 1 1 1 1 1 1

 

Bits 0 & 1 are used to specify the type of transmission sound

00 Unknown
01 Mono
10 Stereo
11 Dual

 

 

Example Packet 30 Capture - 10 August 1997


BBC1 100 48 - 11:35
 0 21 21 234 234 234 94 95 246 4 6 22 89 51 67 51 84 229 115 244 32 194 194 67 49 32 67 69 69 70 193 88 32 32 32 32 32 32 32 32
 0 0 0 15 15 15 3 3 13 0 1 1 2 5 1 5 0 12 5 12 4 9 9 1 4 4 1 0 0 1 8 2 4 4 4 4 4 4 4 4
 55^_$&6Y3C3Ts@C1@CEEFX@@@@@@@@
 55jjj^_v$&6Y3C3Test@BBC1@CEEFAX@@@@@@@@

BB2 100 48 - 11:35
 0 21 21 234 234 233 94 69 127 4 6 22 89 51 58 89 84 237 115 244 32 194 194 67 50 32 67 69 69 78 193 88 32 32 32 32 32 32 32 32
 0 0 0 15 15 14 3 0 7 0 1 1 2 5 7 2 0 14 5 12 4 9 9 1 5 4 1 0 0 3 8 2 4 4 4 4 4 4 4 4
 55^E&127;$&6Y3:YTs@C2@CEENX@@@@@@@@
 55jji^E&127;$&6Y3:YTmst@BBC2@CEENAX@@@@@@@@

Carlton 100 48 - 11:09
 0 21 21 234 234 234 94 19 123 133 6 22 89 51 25 55 193 84 79 205 67 193 82 76 84 79 206 32 84 69 76 69 214 73 211 73 79 206 32 32
 0 0 0 15 15 15 3 1 7 8 1 1 2 5 2 5 8 0 3 10 1 8 1 2 0 3 11 4 0 0 2 0 9 2 9 2 3 11 4 4
 55^3{…&6Y397TOCRLTO@TELEIIO@@
 55jjj^3{&6Y397ATOMCARLTON@TELEVISION@@

Meridian 100 48 - 11:09
 0 21 21 234 234 202 94 19 123 133 6 22 89 51 68 38 193 84 79 205 205 229 242 233 100 233 97 110 32 194 242 239 97 100 227 97 115 244 32 32
 0 0 0 15 15 11 3 1 7 8 1 1 2 5 0 5 8 0 3 10 10 12 13 14 4 14 4 7 4 9 13 15 4 4 13 4 5 12 4 4
 55^3{…&6Y3D&TOdan@adas@@
 55jjJ^3{&6Y3D&ATOMMeridian@Broadcast@@

Channel 4 100 48 - 11:30
 0 21 21 234 234 234 94 63 139 129 6 22 89 52 56 54 100 21 21 21 67 104 97 110 110 229 236 32 52 32 84 229 236 229 118 233 115 233 239 110
 0 0 0 15 15 15 3 7 11 8 1 1 2 4 6 5 4 0 0 0 1 6 4 7 7 12 14 4 4 4 0 12 14 12 5 14 5 14 15 7
 55^?‹&6Y486d555Chann@4@Tvsn
 55jjj^?&6Y486d555Channel@4@Television

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