Re: R1392 Crystals
On the above information crystals between 6.285 and 7.285 should put you somewhere in the airband. It should be possible to use amateur crystals designed for the 7 Mhz band if you can fit them inside the apropriate holder - most WW2 era crystals can be dismantled and a modern HC-49 size fitted inside.
A quick search for the company "QuartSlab" will give you a UK supplier able to cut crystals to order if you need particular frequencys.
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Real radios glow in the dark
M6GLD
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