The radio transmitting station at Criggion

The Criggion radio station is equipped with one high-power v.l.f. transmitter, two l.f. transmitters and some fourteen h.f. transmitters. The introductory section of the paper, summarizing the principal events connected with the establishment and construction of the station, is followed by sections describing particular sub-divisions of the internal and external plant. In the section dealing with h.f. transmitters, mention is made of recent developments of a Post Office design of transmitter for single-sideband working. Separate sections are devoted to common supplies for the station, namely power, water and line-termination equipment.