Attitude Quaternions
The Automatic Precise Point Positioning Service (APPS) of the Global Differential GPS System (GDGPS).
This unique feature goes hand-in-hand if your RINEX data is in motion from airplane or helicopter and you are processing in Kinematic mode. Aerial movements in conjunction with your own quaternion file can help improve your PPP solution.
Format of User-Provided Attitude Quaternion File
User-provided Attitude Quaternion file must have the following format:
Example (all should be in one line)
E GPS23 403261200 0.000000000000000E+00 4.213090921042242E-02 1.449777480113355E-01 7.188055942732944E-01 -6.786198911851030E-01