Electronic Communication Systems Author:Frank R. Dungan From basic concepts to the latest technologies, Electronic Communications Systems has proven successful for the introductory Communications student. Now better than ever, Dungan's Electronic Communications Systems, Third Edition has maintained all the features that have made it so popular for future technicians. The revision keeps it easy-to-rea... more »d style and broad, up-to-date coverage. ALSO AVAILABLE Lab Manual ISBN: 0-8273-8629-X INSTRUCTOR SUPPLEMENTS CALL CUSTOMER SUPPORT TO ORDER Instructor's Guide, ISBN: 0-8273-8625-7 Instructor's Resource Guide, ISBN: 0-8273-8630-3« less