Paul Ballister reports from London on a Polish clandestine radio station supporting the Solidarity movement which has popped up in London. And Radio 4 Today's programme has been talking about pirates.

Media Network was a labour of love for all those who contributed on a regular basis. Richard Ginbey, at that time a media enthusiast working in broadcasting in South Africa, compiled a series of radio portraits using his own extensive recordings taken off air. I think that they are probably some of the only surviving recordings of radio stations in places like Angola. Also, check out of the Interval signal database.

This edition also contains an interview with Michiel Schaay, the Dutch author and publisher of many utility books.