Trøndelag Provisoriske Kringkaster, 1926. The broadcasting station set up during the Radio Exhibition transmitted programmes with news bulletins, entertainment and features.
The studio. Wool carpets on the walls helps to improve acoustics.
The transmitter. On the right the valve, on the left the anode choke.
The antenna for the broadcasting station on the Campus of the Norwegian Institute of Technology.
Monitor receiver and modulator.