These towers formed a directional aerial for the frequency 234 kHz and until 1980 were 250 metres high.

The following radio stations broadcast on AM frequency 1010 kHz:

It is a 50,000 Watt clear channel radio station assigned to frequency 840 kHz.

The station originally broadcast on the frequency 1470 kHz until 1935 when it was moved to 1080 kHz.

Electrolyte gel is applied first, and then a weak current of frequency 50 kHz is introduced.

Deutschlandsender Zeesen used until 1928 the frequency 240 kHz.

An ultrasonic wave is a sound wave having a frequency greater than 20 kHz.

This mast, which was built in 1950, is used as a transmitter for the mediumwave frequency 576 kHz and is therefore insulated against ground.

Locally it broadcast in Medium Wave, in the frequency 920 kHz.

This was attempted with limited success in 2007 with a twelve month operation on the upper AM band frequency 1701 kHz.