Ravensburg-Horgenzell transmitter is a mediumwave broadcasting facility of Deutsche Telekom used for transmitting the program of Deutschlandfunk on the area of community Horgenzell northwest of Ravensburg in Baden-Württemberg. It was inaugurated on August 23, 1951 and used until 1959 for transmitting the radio programme of SWF with a transmission power of 40 kW on 1538 kHz.