Wrth’ s publisher, nicholas hardyman, shared the following announcement today: having produced this pdf book for the past 24 years we are very sorry to announce that wrth will be the final edition of world radio tv handbook produced and published by wrth publications. we are delighted that radio data center has taken over the publication of wrth and has now produced the edition of the world' s greatest guide to radio. thank you for sharing this, andrea. or buy the wrthapp with online access using. the world radio tv handbook, wrth is the most accurate and complete directory in the world of broadcasting stations, with 672 pages it is a reference since 1947 in the world of headphones ( swl) and dxers, radio amateurs and radio amateurs. the next edition of the wrth “ world’ s most comprehensive and up- to- date guide to broadcasting” will be published in december in a printed and a digital version. this was a hard decision to make and one we only made after a lot of. the edition of wrth, published by the radio data center, has been published and can be ordered from this page. world radio tv handbook. 1 reply many thanks to sean gilbert, with the world radio tv handbook, who shares the following announcement: wrth pdf is pleased to announce that the a21 wrth pdf ( summer) season broadcasting schedules for international and clandestine/ target broadcasters are now available for download, free of charge. the importance of the book has greatly diminished with the online availability of up- to- date frequency informations. the world radio tv handbook, also known as wrth, is a directory of virtually every radio and tv station on earth, published yearly. this is fantastic news! the rights have now been transferred to radio data center gmbh ( rdc), based in freising, germany. the world radio tv handbook ( wrth) is its 76th edition but may also be its last, as the current publisher, nicholas hardyman, has announced it will be the last edition to be published by his oxford based company, wrth publications limited which has published the wrth from 1999 to :. it was started in 1947 by oluf lund johansen ( 1891– 1975) as the world radio handbook ( wrh).