Hello, I went flying today with my buddy who also has a phantom 3 standard. we flew down in Southampton docks on the waterfront. We both did our pre flight checks, compass calibration etc. We then both took off and flew out over the water and then at 50m my screen went black... I could still see the bird but my video feed was dead. nothing. but my friends stock standard (windsurfer) was ok! I was concerned as I was using a ITElite DBS mod which I know works as I've gotten 1400m out of it (only range test I have undertaken) which was better than when i flew the same route stock. Could this interference be due to my friends remote knocking out my signal or could it be something else! any help would be great!!