TM 11-455 Radio Fundamentals 1944-05-22 "Radio is not difficult to learn if the fundamentals are mastered step by step. A thorough knowledge of these important fundamentals enables a radio operator or technician to understand the equipment he handles and to obtain the best results from its use. Abbreviations common to radio communication work are used throughout this manual to accustom the reader to those terms which are used frequently in all radio publications. A list of these abbreviations and their meanings is given in appendix 1." Digitized by the Combined Arms Research Library (CARL) Digital Library, US Army Combined Arms Center. http://cgsc.cdmhost.com/cdm/ Includes index"This manual supersedes TM 11-455, 17 July 1941.""22 May 1944."Mode of access: Internet