World radio TV handbook 2018 : the directory of global broadcasting / ed. WRTH Publications
Radio data code manual : worldwide HF communication today
World radio TV handbook 2012 : the directory of global broadcasting / ed. WRTH Publications
World radio TV handbook 2009 : the directory of global broadcasting / ed. WRTH Publications
Radio data code manual : worldwide HF communication today / ed. Klingenfuss Publications
The complete RF technician's handbook / Cooter W. Sayre
Manuel des télécommunications par satellite : service fixe par satellite / Union Internationale des Télécommunications