Graf, Rudolf F. creator Sheets, William. Indianapolis, IN, USA H.W. Sams c1987 1st ed. vii, 246 p. : ill. ; 28 cm. Introduction (Page-1), More Scrambling Systems and Future Possibilities (Page-9), Scrambling/Descrambling Techniques (Page-17), The SSAVI Systems (Page-33), Advanced Scrambling Methods (Page-41), Political Legal and Consumer Aspects (Page-49), Digitizing Audio and Video Signals (Page-55),Cable and Satellite Decoder Circuitry (Page-65), Commercial Satellite Encryption Sys (Page-91), Satellite TV and Interference (Page-97), Data Encryption Standard (Page-103), Manufactures Data Sheets (Page-119), U.S Patents and Scrambling Sys (Page-157), Technical Data (Page-209). Rudolf F. Graf & William Sheets. Cable television Scrambling systems Direct broadcast satellite television Scrambling systems 621.388,GRA 0672224992 (pbk.) : 86062918 20221223113932.0