Abstract :
The paper gives a brief description of the equipment at the Post Office Radio Station at Northolt, near Harrow, and a survey of some of the experimental investigations which have been carried out at the station, namely:¿ (a) The installation of a 30¿40 kW valve transmitter. (b) The design of a coupled circuit for the arc sets. (c) Trials on a Lorenz alternator. (d) Investigation into the losses occurring in transmitting inductances. (e) Tests on insulating materials.
