by RitterKreuz » Wed Nov 21, 2007 3:25 am
i would bet your getting interference from the NDB... do you hear intermittent morse code while listening to the AM radio?
The NDB at my "home airport" sits about .9 miles from the end of the runway... occasionally we would turn our AM radios in our cars to anywhere in the 600s and we would get strange interference. early one morning i got the same interference only this time for several seconds i got the identifier for the NDB in morse code for several repetitions.