TAB to Cal-Track Data Transmission

updated: 4-Aug-03

Data Transmission Format

See also the U. Arizona SLDB specifications.

No. P E 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
1 01 JET Word: phi=5 EM Word: phi=5
2 01 JET Word: phi=4 EM Word: phi=4
3 01 JET Word: phi=3 EM Word: phi=3
4 01 JET Word: phi=2 EM Word: phi=2
5 01 0 0
6 01 0 0
7 11 Longitudinal Parity
 
During Synch Gap: BC = 149-159 & 1-6
  00 null (K28.5)

8-bit Data Word Format

This is still under discussion.

Bits Description
07 unused
06-00 Mask of thresholds passed

Notes

  1. P = Parity word marker
  2. E = Enable (data) word marker
  3. During periods with no data the Cal-Track system expects to receive null data