Spectracom VelaSync 1232 User Manual page 241

Reference marker, 1 per second. The reference marker appears as two con-
secutive position identifiers. The second position identifier marks the on-time
point for the succeeding code word.
Resolution:
Pulse width coded signal: 10 milliseconds.
Amplitude modulated signal: 1 millisecond.
Carrier frequency: 1kHz when modulated.
Table 5-5:
IRIG B control function field
C.F. Element # Digit #
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
VelaSync User's Manual
Function
1 Space
2 Space
3 Space
4 Space
5 Space
6 Time Sync Status
7 Space
8 Space
9 Space
PID P6 Position Identifier
10 Years Units Y1
11 Years Units Y2
12 Years Units Y4
13 Years Units Y8
14 Space
15 Years Tens Y10
16 Years Tens Y20
17 Years Tens Y40
18 Years Tens Y80
PID P7 Position Identifier
APPENDIX
229