Passport FM is basically an information related radio. The radio is there to deliver various tourists from various country with tourism related information so that it becomes easier for them to understand the country and famous tourism spots and rules of Spain.
Passport FM official website address is www.passportfm.com
If the Radio is extremely choppy and stops every 5 seconds, try listen to this Radio at different time.
Not all Radio Stations function for 24 hours everyday. If you can't listen to any Radio, try to listen at different time, as the Radio Station may stop during midnight according to its own country time zone.