The World Radio TV Handbook, also known as WRTH, is a directory of virtually every radio and TV station on Earth, published yearly. The importance of the book has greatly diminished with the online availability of up-to-date frequency informations. It was started in 1947 by Oluf Lund Johansen (1891–1975) as the World Radio Handbook (WRH). The word "TV" was added to the title in 1965, when Jens M. Frost (1919–1999) took over as editor. It had then already included data for television broadcasting for some years. After the 40th edition in 1986, Frost handed over editorship to Andrew G. (Andy) Sennitt. More information...
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