The Sottens transmitter
Medium wave-transmitter data
| Location: | E 6° 43' 44.27" / N 46° 39' 21.91" |
| Frequency: | 765 kHz |
| Wavelength: | 392 m |
| Power: | 600 kW |
| Call-sign: | "Option Musique" |
| Transmission type: | Medium wave AM broadcast station |
Main medium-wave antenna
| Tower type: | 188 m self supporting tower |
| Antenna type: | Vertical array of two radiators (6 wires each), tower grounded |
| Feed point: | Lower end of each radiator, coaxial feed inside the for the upper one. Phasing network at the base of the tower. |
 West view of the main antenna |
 North view of the main antenna |
 Main antenna, viewed from the base |
 Close-up on the top radiator |
 Phasing box and feed system |
 View of both MW antennas (main and spare) |
Spare medium-wave antenna
| Tower type: | Self supporting tower |
| Antenna type: | Short vertical antenna, isolated from ground |
| Feed point: | Inside the tower, higher than the base |
 West view of the spare antenna |
 South view of the spare antenna |
 Match box and feeder |
 Feeder and feed point |
 Spare antenna, viewed from the base | |
Short-wave transmitter data
Switched off in November 2004
| Location: | E 6° 43' 51.53" / N 46° 39' 42.03" |
| Frequency: | Transmitter is off |
| Power: | Transmitter is off (used to be 500 kW) |
This transmitter has been switched off in November 2004 and was dismantled in February 2005. This was the last Swiss shortwave transmitter.
Short-wave antenna
| Tower type: | 62 m high rotating double curtain antenna |
| Antenna type: | 2 arrays of 8 dipoles (for two different bands) |
| Feed point: | With balanced feed lines and impedance transformers |
This antenna was dismantled in February 2005.
 West view of the SW antenna |
 East view of the SW antenna |