A2537-002/01 February 2020 8-3 SEMCO Proprietary Information
Packet formatting follows the definitions found in section 11.2.1 of the IRIG standard with the general
packet structure shown in Figure 8-2.
Figure 8-2
General Chapter 10 Packet Structure
The receiver will support 16-bit and 32-bit aligned unpacked mode as defined in IRIG subsections a, b &
c of section 11.2.1. Timing is transmitted as specified in IRIG Chapter 11 section 11.2.3.2 and is treated
like another data channel. The general time packet structure is shown in Figure 8-3.
Figure 8-3
General Time Packet