zentoo
63 posts









The Ukrainian Baba Yaga recently brought down by a Russian drone had an elegant spiral Controlled Reception Pattern Antenna (CRPA) with conductive rings. CRPA is used for GPS/GLONASS navigation when resistance to jamming is critical.




Self-propelled guns like this Ukrainian AHS Krab do not “shoot and scoot”, as that much time in the open would be fatal due to ubiquitous recce drones and FPVs. Instead they stay in a camouflaged, protected position, emerge briefly to fire, and then return quick as a bunny.

A Ukrainian interceptor FPV drone, launched from a "mothership" taking down a Russian ISR drone. It's incredible how FPV drone technology has matured so rapidly into a cheap and extremely effective air defence capability.










2024 : 90 % des CM inquiets de l'empreinte du numérique recommandent encore de débrancher les chargeurs pour économiser 1 réacteur nucléaire. Réalité : lesnumeriques.com/chargeurs/char…












