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A comment on Preliminary Assessment: Unidentified Aerial Phenomena. Parent comment

Re:Preliminary Assessment: Unidentified Aerial Phenomena by xxpor on Friday June 25, 2021 @05:43PM (#27636641)
Secondary radar == just an RX only antenna?
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Re:Preliminary Assessment: Unidentified Aerial Phenomena by nradov on Friday June 25, 2021 @06:07PM (#27636847)
Transmitter also, but not powerful enough to get a useful return from an aircraft without a transponder at any significant range.
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