Re: Marconi NS702 / 2207E, SN 623 (Atalanta type) receiver
There was no 700 Kc/s calibration crystal in my Atalanta. I fitted a 1 meg crystal and a 1N4001 from SKG,2 to SKF,4. That gives me 1MHz markers and brings on the BFO in the "calibrate" position.
73, Andrew
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