Radio Solidarity (Polish: Radio Solidarność) or Radio S was an underground radio station of the Solidarity resistance movement,[1] broadcasting on 70.1MHz FM in Poland in defiance of the censorship from the 1982 martial law in Poland to it the fall of the communist regime in the People's Republic of Poland. It was established by Zbigniew Romaszewski and his wife, Zofia Romaszewska.

Berta - one of the most successful transmitting sets.
A flyer informing about date and hour of Radio Solidarity broadcast.

Broadcasts were often short, as they were transmitted from temporary locations around Warsaw to avoid detection from the security services[2].

References

edit
  1. Darnton, John (13 April 1982). "Radio Solidarity, on the Air, Defies Polish Regime". The New York Times.
  2. Yardley, William (2014-03-27). "Zbigniew Romaszewski, Physicist Who Resisted Poland's Communists, Dies at 74". The New York Times. ISSN 0362-4331. Retrieved 2026-05-10.