What would be the utility of a preset frequency?  I suppose if the aircraft were operating in a limited area and the R-30A was set to a nearby 50KW broadcast  station or LF beacon that might make it easier for the pilot / navigator since that location was known.


On Fri, Jul 22, 2022, 3:35 PM <releazer@earthlink.net> wrote:

Do you mean the R-130 receiver itself or the modified tuning spline screwed into the tuning connection?  I have an R-30. I bought it years ago on ebay and sold the tuning crank handle from it for more than what I paid for the whole thing.


Wayne

WB5WSV 

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