Some of the telegram channels are government run, so it's not just open source intel
Of course it would be possible to detect these things yourself, you would just need an extensive radar network covering 600k km2 of Ukraine, and as much of Russia as you can. You'll need quite a variety of systems to detect both hypersonic missiles and slow low flying drones.
Of course it would be possible to detect these things yourself, you would just need an extensive radar network covering 600k km2 of Ukraine, and as much of Russia as you can. You'll need quite a variety of systems to detect both hypersonic missiles and slow low flying drones.