Everyone’s talking about how the F-35 Lightning II has a RCS the size of a Golfball but I don’t know what it means or how significant it is.
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When we send out a radar wave, we listen for an echo. How long it takes to hear the echo tells us how far away the thing is. How loud the echo is tells us roughly how big the thing is, but more precisely, how much of our radar is bounced back to us listening for it.
Stealth aircraft don’t have a very loud echo. So it would be the same as getting an echo from a much smaller object. Like a golfball.
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