Our look at offshore radio moves into the 1970s this weekend, with the story of Radio North Sea International.
With powerful transmitters broadcasting on AM, FM and shortwave, Radio North Sea International was equipped for success. But European governments were making offshore broadcasting increasingly difficult. The station faced government jamming, an attempted hijacking and a bombing.
Don't miss this remarkable and eventful story over the next two weeks. You can hear it at 2 PM Eastern on Sunday, and again at 11 PM Eastern. Check the Mushroom FM Schedule page to find out when that is in your time zone.