> Those items were associated with the IFF features of that secondary radar
> system, they were classified back than and may still be, as you know IFF is
> still in existance. My limited experience with the AN/FYQ-47 and UPX-14
> (years ago) is the basis for this suggestion.
This old IFF stuff has long been declassified. It was not encrypted.
William Donzelli
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