What Are These File Types

[Steve A]

I downloaded the pictures and video I shot yesterday and now I have these files in my DCIM folder, just this folder and none of the others from previous folder dates. I am not sure if I should delete them or not. I know the first 8 numbers are the date I am wanting to clean up my SD card and I don't know what these files are for.

DJI_20250503075810_0002_D.MRK
DJI_20250503075810_0002_D.NAV
DJI_20250503075810_0002_D.OBS
DJI_20250503075810_0002_D.RTK

 

[jaja6009]

These are all files you can use for PPK (Post Processing Kinematics).
MRK are time stamps to let PPK software know when the image was taken.
NAV are predicted satellite tracks.
OBS are the satellite constellation observations.

If you are not going to use PPK you can delete them. I save them along with the images on an SD drive, just in case I ever wanted to do PPK on the mission in the future.

 

[Steve A]

These are all files you can use for PPK (Post Processing Kinematics).
MRK are time stamps to let PPK software know when the image was taken.
NAV are predicted satellite tracks.
OBS are the satellite constellation observations.

If you are not going to use PPK you can delete them. I save them along with the images on an SD drive, just in case I ever wanted to do PPK on the mission in the future.

Thank you Sir