Thread: Loud aircraft last night?
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Old 01-22-2024, 08:19 AM   #12
ApS
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Lightbulb "IFF" Developed During WWII...
Quote:
Originally Posted by P-3 Guy View Post
Transponder.
"IFF"

https://en.m.wikipedia.org/wiki/Iden..._friend_or_foe
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