That's right on! The rig was the Collins ARC-1. It used one in the final and one
in the modulator. The thing was for 100-156 MHz. Later conversions for the
airlines in the late 40's added 50 or so channels (sort of like the ARC-3 and the
ARC-49).
snip-
I was looking at doing something like that years ago, using a homebrew
output transformer, but I never finished it. I do know that the 829
was used in some of the modulation decks for aircraft band transmitters
at one point, so they should be fun at AF.
--scott
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