GSOF message: Position Time
This message describes position time information. It contains the following data:
-
GPS time, in milliseconds of GPS week
-
GPS week number
-
Number of satellites used
-
Initialization counter
Time (Type 1 record)
Field |
Item |
Type |
Value |
Meaning |
---|---|---|---|---|
0 |
Output record type |
Char |
01h |
Position time output record |
1 |
Record length |
Char |
0Ah |
Bytes in record |
2 to 5 |
GPS time (ms) |
Long |
msecs |
GPS time, in milliseconds, of GPS week |
6 to 7 |
GPS week number |
Short |
number |
GPS week count since January 1980 |
8 |
Number of SVs used |
Char |
number |
Number of satellites used to determine the position |
9 |
Position Flags 1 |
Char |
Reports first set of position attribute flag values |
|
10 |
Position Flags 2 |
Char |
Reports second set of position attribute flag values |
|
11 |
Initialized number |
Char |
00h–FFh |
Increments with each initialization (modulo 256) |