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Radio Record, 17 June 1938, Page 50

GHORTWAVA radio recently came to the assistance of regular broadcasting when a radio link was used at the YIlawkesbury Racecourse, near Sydney, to provide a racing service which otherwise could not be given to 2UW listeners. The Postal Department were unable to make a land-line available on this occasion, so a portable shortwave transmitter was taken to Hawkesbury. An aerial was erected on property adjacent to the racecourse, and Cyril Angles faced the microphone in his usual expert manner, But, instead of his voice travelling by land line back to 2UW studios, it was radiated by the local shortwave transmitter and by means of a sensitive receiver was picked up some twelve miles away, after which it was transferred to a private line to 2UW’s studios. A receiver was tuned into 2UW at Hawkesbury, and enabled Cyril to keep in close touch with the studio. For those technically minded, the transmission was made on 3300 k.c, with a power of 10 watts.