On: SpaceX punched a hole in the ionosphere

[dfox]

That seems like ground based interference. Today a lot of stuff, including components of the drone itself, can be unintentional L-band radiators.

Getting what is probably the cheapest tier of spectrum analyzer and investigating that behavior seems somewhat prudent.

[jrockway → dfox]

If it's obvious a spectrum analyzer will help, but GPS signals are very weak and you won't be able to see anything without special equipment. (-125 dBm at the Earth's surface; that's ATTOwatts of power.)