The drones turned out to be fine up to 150 kA which is five times more than natural lightning. Afterwards the full system was tested with a real thunderstorm, during which the drone took a hit and ...

In higher frequencies, such as around 12 GHz (Ku-band) or 20 GHz (Ka-band), beams are more focused towards smaller areas to overcome the more severe signal attenuation due to atmospheric effects. This ...