Global Positioning System
Message format
Columns: Subframe # | Page # | Name | Word # | Bits | Scale | Signed
1 | all | Week Number | 3 | 1–10 | 1:1 | No | 1 | all | CA or P On L2 | 3 | 11,12 | 1:1 | No | 1 | all | URA Index | 3 | 13–16 | 1:1 | No | 1 | all | SV_Health | 3 | 17–22 | 1:1 | No | 1 | all | IODC(MSB) | 3 | 23,24 | 1:1 | No | 1 | all | L2Pdata flag | 4 | 1 | 1:1 | No | 1 | all | ResW4 | 4 | 2–24 | N/A | N/A | 1 | all | ResW5 | 5 | 1–24 | N/A | N/A | 1 | all | ResW6 | 6 | 1–24 | N/A | N/A | 1 | all | ResW7 | 7 | 1–16 | N/A | N/A | 1 | all | TGD | 7 | 17–24 | 2^-31 | Yes | 1 | all | IODC (LSB) | 8 | 1–8 | 1:1 | No | 1 | all | TOC | 8 | 9–24 | 2^4 | No | 1 | all | AF2 | 9 | 1–8 | 2^-55 | Yes | 1 | all | AF1 | 9 | 9–24 | 2^-43 | Yes | 1 | all | AF0 | 10 | 1–22 | 2^-31 | Yes