Bogey Six O’clock!: The AN/APS-13 Tail Warning Radar

Although we think of air-to-air radar as a relatively modern invention, it first made its appearance in WWII. Some late war fighters featured the AN/APS-13 Tail Warning Radar to alert the pilot whe…

A Look Inside A Vintage Aircraft Altimeter

There’s a strange synchronicity in the projects we see here at Hackaday, where different people come up with strikingly similar stuff at nearly the same time. We’re not sure why this is…

Greedy Receivers: FCC Considers Regulating Receivers After Altimeter Showdown

Recently, the media was filled with articles about how turning on 5G transmissions in the C-band could make US planes fall out of the sky. While the matter was ultimately resolved without too much …

Battery-less Bike Computer Gets Power And Data From The Wheels

Bicycle generator technology has advanced far beyond the bottle dynamos of years past, which as often as not would introduce enough drag when engaged to stall the bike. Granted, it’s not as m…