I have had the same question for some time. Would an operator need to change frequency that often in flight? If the practice was to "net" all of the transmitters before takeoff, wouldn't it be quicker to do it with an airfield reference?  How accurate would it be at 20 degrees below zero at 25,000 feet?

   B.Gentry, KA2IVY

On 10/1/25 5:31 PM, Charlie L. wrote:
Not sure how often they got the freq meter out.  In a B17, it was stowed in a canvas bag behind the pilot's seat.

Charlie

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