from 20 January 1940. This was intended to provide coverage where the mediumwave signals were poor, and to provide an emergency backup to the landline distribution network in case of major disruption. This transmitter also carried the European Service (Norwegian) at certain times.

In October 1940, the station began to transmit the European Service on 1050 kHz. This also used a horizontally-polarised antenna. The transmitter's power was increased to 180 kW, with a consequent increase in audio