Were your antenna facing the P4P . The signal emanates from the flat surface not the pointed ends. was that a height 3,300ft ( above ground level) or altitude (amsl)
DJI Phantom 4 - Fishing Edition !!
I think they must be deranged ....and only £15,000 (20,000 USD)
DJI Phantom 4 - Fishing Edition DJIP4FISH | Drones Direct
Nothing wrong with these images, no grain/noise visible on my UHD 4K 32" Monitor in Photoshop. I zoomed in 800% and images are all good. I'm a wildlife photographer and very fussy about image quality :-)