Beromünster is a town in Switzerland. Beromünster is a famous site of a transmission facility for medium wave and shortwave with the famous landmark Blosenbergturm. There is also a castle that held the first printing press in Switzerland in the 1470's. The Transmitter Beromuenster is the nationwide receivable transmitter for German speaking Switzerland. ... The Blosenbergturm is a transmitting tower in Beromünster, Canton of Lucerne, Switzerland, built in 1937 for the radio station DRS and sending at a AM frequency of 531 kHz. ...