Transmitter Ravensburg (Wilhelmskirch)
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Transmitter Ravensburg (Wilhelmskirch)
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| Basic data | |||||||||||||||||
| Place: | Horgenzell | ||||||||||||||||
| Country: | Baden-Württemberg | ||||||||||||||||
| Country: | Germany | ||||||||||||||||
| Altitude : | 581 m above sea level NN | ||||||||||||||||
| Coordinates: 47 ° 47 '8.2 " N , 9 ° 31' 8.4" E | |||||||||||||||||
| Use: | Telecommunication system , radio transmitter | ||||||||||||||||
| Accessibility: | Transmission system not accessible to the public | ||||||||||||||||
| Owner : | Media broadcast | ||||||||||||||||
| Demolition : | January 24, 2018 | ||||||||||||||||
| Data on the transmission system | |||||||||||||||||
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| Waveband : | AM station | ||||||||||||||||
| Radio : | MW broadcasting | ||||||||||||||||
| Shutdown : | December 31, 2015 | ||||||||||||||||
| Position map | |||||||||||||||||
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The Ravensburg broadcaster was a medium-wave radio station operated by Media Broadcast to broadcast Deutschlandfunk in the Ravensburg district in Baden-Württemberg . It was located just under a kilometer northeast of Wilhelmskirch, a district of the municipality of Horgenzell , at an altitude of 581 m above sea level. NN and not to be confused with the television station Ravensburg on the nearby mountain Höchst .
The system was put into operation on August 23, 1951 and until 1964 belonged to the then Südwestfunk , which broadcast its first radio program there on the frequency of 1538 kHz (from 1962 on 665 kHz) with a transmission power of 20 kW. Together with the Bad Dürrheim and Reutlingen locations , the transmitter formed a single-frequency network .
On September 30, 1962, Südwestfunk put another transmitter into operation for what was then Deutsche Bundespost (now Deutsche Telekom) to broadcast Germany radio on the 755 kHz frequency with a transmission power of 20 kW. Both programs were broadcast by means of a switch over the same antenna system. After the completion of the new Lake Constance transmitter near Meßkirch in 1964, Südwestfunk stopped broadcasting at the Ravensburg location and handed the system over to the Deutsche Bundespost. In 1968 the transmission power of Deutschlandfunk was increased to 100 kW. Since this increase in output would have required strong fade-outs at night, the transmitter was switched off during the night. Since the Geneva Wave Plan came into force in 1978, which also resulted in a frequency adjustment to 756 kHz, the system has been transmitting again in continuous operation in amplitude modulation (AM). The system was digitally suitable for Digital Radio Mondiale (DRM) broadcasts, but from 1999 only ran in dynamic amplitude modulation (DAM) mode .
The last two antennae used were two self-radiating transmitter masts, 120 meters high, insulated from earth , which were erected in 1951 and 1978. The geographic coordinates of the transmitter masts be 47 ° 47 '8.1 " N , 9 ° 31' 6.3" O and 47 ° 47 '7.5 " N , 9 ° 31' 11" O .
The broadcast of the program on the frequency 756 kHz was stopped on December 31, 2015 at 11:50 p.m. Both transmission masts were dismantled on January 24, 2018.
The two 120 meter high transmitter masts of the Ravensburg transmitter
Aerial view of Wilhelmskirch with the Ravensburg transmitter
Height diagram of the transmission masts of the LW and MW transmitters of the DLF
