The London Twin-Wave Broadcasting Station

There are two aerial systems, one for each programme, and each aerial is supported by two 200-foot self-supporting insulated lattice steel towers.

These are placed on either side of the building, parallel with each other.

Beneath each aerial there is an aerial transformer house, approximately eight feet square and faced with cement to harmonize with the main building.

The earth system consists in each case of eighty copper wires radiating from the aerial transformer house in all directions and buried one foot below the surface of the ground.

The process of generating the high-frequency energy for the two aerials really begins at the back end of the building, with the generation of power in the form of direct current at 220 to 230 volts.

Next: The Power House

Foreword and Index
Introduction
The Aerial System
The Power House
The Battery Room
The Motor Generator Room
The Transmitter Hall
The Control Room and Studio
Wavelengths and Programmes
The Principal Contractors

Related Information:
A History of Brookmans Park Transmitting Station by Lilian Caras 1982 (revised January 2002)

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