The GGQ record contains time, position and coordinate quality data for a GNSS receiver. See the following bitmap and spreadsheet for a description of a record:
Note – The latitude and longitude are in the datum and ellipsoid of the selected reference frame.
Field |
Description |
---|---|
1 |
Universal Time Coordinated (UTC) [hhmmss.ss] of position fix |
2 |
Date [mmddyy] of position fix (UTC) |
3 |
Latitude in [DDMM.MMMMMM] |
4 |
Direction of latitude |
5 |
Longitude in [DDDMM.MMMMMM] |
6 |
Direction of longitude |
7 |
GPS Quality Indicator |
8 |
Number of GPS satellites being used by both, reference and rover [0 - 12] |
9 |
Quality of coordinates: 3D 3-sigma error in [meter] |
10 |
Ellipsoidal height of fix (of the antenna reference point) |
11 |
M: ellipsoidal height is measured in meters |
12 |
Checksum [00 - FF] |