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[–] 7 points 6 months ago* (last edited 6 months ago)

Genuinely curious why would any one need a radar.

People studying weather, the atmosphere, birds and of course people expecting aircraft. :)

This particular radar is bloody expensive, though - its price tag is about 15 000 euros.

Other fun radar projects, most of them well above my head, so I won't dare to wade in:

Henrik Forsten: home made polarimetric synthetic aperture radar drone (takes photographic quality radio images of ground, budget several kiloeuros + ability to fly or a high vantage point)

Radar Tutorial - old military guy explains all the concepts, provides many schematics and various formulas

WetterSat - Mobile amateur rain radar - helps you locate rain at 10.5 GHz within a 100 km circle, cost about 1500 euros

Daniel Kamiński's blog - explains the principles of a GPU-accelerated passive coherent location finder (radar that uses non-cooperative external illumination sources like TV signals), cost a few hundred + a high end GPU, but completeness is low (hard to recreate)

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