I have a surplus WW 2 IFF transponder box that I picked up a couple of
years ago at one of the hamfests for under $10. In unused condition, very
nice with acorn tubes and a doorknob tube for the transmitter. I think it
operates on 433MHz. I had an another one of these I picked up when I was
in high school that had been partly gutted to make some type of ham
transceiver in the 1950s. It came with the CQ mag that had the mod article
in it. One interesting item was/ the bottom cover has 6 or 8 electrical
fittings for thermite? demolition charges so if the plane was going down
you hit the button before bailing out. The article said there was some
after war excitement because some of these units went into the surplus
channels with the demolition charges still in place!
Tim L.
My unit is just a rather uninteresting black box, the controls were
somewhere else.
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