Flight spotting isn’t something I’ve ever got into. Sure, I have friends who can tell you what types of aircraft are on any given runway but none of them keep a record of what they’ve seen, let alone ...

The test took place at night, with footage from inside the control station briefly showing radar blips on the screen, indicating the drone has detected contacts. Flight parameters were not ...

The research that went into improving radar ... in the air. The rectifier's job was to translate the reflected signal into the direct current necessary for visualization on the screen.