00689cam a2200169 a 4500 9780070667556 (pbk) 0070667551 (pbk) 621.382 FRE Frenzel, Louis E. Principles of electronics Communication systems New Delhi Tata McGraw Hill Publishing Company Ltd. 2011 xiii, 885 p. : ill. ; 24 cm. Includes index. Telecommunication systems Electronic communication Radio-Receivers Radio Wave Propagation Microwave systems Radio transmiters Communication receivers Transmission lines Satellite communication Data communication FEAS BK 7688 7688