We would like to the use the Phantom 4 RTK (SDK controller) to map on a steep slope. The DJI Pilot software allows to generate a Waypoint mission which should in principle allow this to work (the Mapping mission unfortunately does not allow to input a slope, terrain model or similar). When flying a waypoint mission no RINEX files are generated, the manual states that this requires "route recording" to be off:

"The raw satellite observations are stored in the same directory as the aerial photos. They will only be recorded during Photogrammetry or Waypoint Flight operations. For Waypoint flight operations, route recording should be disabled in Route Settings. Otherwise, the raw satellite observations cannot be recorded."

How can we disable this "route recording" to generate the RINEX files for PPK?

Mapping flights in GS RTK can use terrain following w/ a DTM. Can you get GS RTK on your device you're using w/ the SDK controller?