I have not found one. Best thing to do is bring a radio
Are you talking about a regular, portable radio that requires batteries?
As a techie, we tried to figure out how a FM tuner works there. The best result is to ask for a dedicated FM tuner from the employees or management. Seeing how most apps don't work unless your phone has a dedicated FM tuner. If you have a modern car with a LCD display, you might want to bring along or ask management for an FM tuner radio.
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