Quote:
Originally Posted by Radio Wrangler
Crystals have two resonance modes, series and parallel, and it could have been used on either. So does either mode land on a popular maritime frequency?
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I have a copy of a report on the RMS Queen Mary's radio installation dated 1936 and that shows LF and MF freqs from 111.5 up to 500kHz. After that, the next freq they list is 8354kHz. It looks likely that there wasn't an allocation to the Maritime Mobile Service around 2MHz pre-war, if there was it's odd that a high-traffic ship like the QM didn't make use of it.
Roger