Like most waves in the electromagnetic spectrum, radio waves tend to bounce off of various objects. This can be frustrating to anyone trying to use something like a GMRS or LoRa radio in a dense city, ...
A new passive radar developed by the IAF to detect hostile unmanned aerial vehicles. (Janes/Oishee Majumdar) The Indian Air Force (IAF) has developed a passive radar that can support operations to ...
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