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by opwieurposiu
998 days ago
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TV and radio stations can be used for passive radar. Passive radar is when you use existing radio sources as you illumination source and your radar system is listen-only. Stealth aircraft tend to be more visible on passive radar since passive is usually a longer wavelength that the aircraft was not designed for. You can even DIY a passive radar. https://spectrum.ieee.org/passive-radar-with-sdr |
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