"Mark Hickey" wrote in message
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If it's inside the radio, reducing the amount of broadcast FM signal
getting into the receiver's front end would help. Personally, I'd do
this by putting a T connector in line with the antenna, and plugg in a
shorted quarter-wavelength (at the offending FM frequency) chunk of
shorted coax on the extra connector. The length of the stub depends
on the coax you use, and the type of connector.

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Mark Hickey

This is the method which I have seen work most frequently, although that
mainly involved listeners radios in their homes. It also has the advantage
of being cheap.

Peter