GSOF message: Second Antenna Position
This message describes the position and solution quality for the second antenna. It contains the following data:
-
Time in GPS weeks and milliseconds
-
Position type and source for the solution of the second antenna
-
WGS-84 latitude and longitude, in radians
-
WGS-84 height, in meters
-
East, North, Up error estimates
Second antenna position (Type 97 record)
|
Field |
Item |
Type |
Value |
Meaning |
|---|---|---|---|---|
|
0 |
Output record type |
Char |
61h |
Latitude, longitude, and height output record |
|
1 |
Record length |
Char |
2Ch |
Bytes in record |
|
2 to 3 |
GPS week number |
Short |
|
GPS week count since January 1980 |
|
4 to 7 |
GPS time (ms) |
Long |
|
GPS time, in milliseconds, of GPS week |
|
8 |
Position type |
Char |
|
The receiver's internal designation for the type of position solution. |
|
9 |
Source |
Char |
01h |
1: Moving base heading vector from the primary antenna. At this time, no other sources are supported. |
|
10 to 17 |
Latitude |
Double |
radians |
Latitude from WGS-84 datum |
|
18 to 25 |
Longitude |
Double |
radians |
Longitude from WGS-84 datum |
|
26 to 33 |
Height |
Double |
meters |
Height from WGS-84 datum |
|
34 to 37 |
Sigma east |
Float |
meters |
1-sigma error estimate |
|
38 to 41 |
Sigma north |
Float |
meters |
1-sigma error estimate |
|
42 to 45 |
Sigma up |
Float |
meters |
1-sigma error estimate |