01464     2200241   4500001002100000005001700021008004100038020001500079035002400094040001300118041000800131082001600139100002700155245008700182260003500269300003300304520076400337521001101101650007501112659000901187852001301196990001301209JAKPU-1211000000027520111226132503.0                                   ind    a1884932134  0010-121100000000273  aJKPU DKI0 aENG10222a621.3841 aGriffith, B. Whitfield10aRadio-Electronic Transmission Fundamentals Second Edition /cB. Whitfield Griffith  aUSA :bNobel Publishing,c2000  axiv,652 p. :bill. ;c24 cm.  aDeep in the veiled fastness of forgotten time lies buried the beginning of man's knowledge of electricity and of its companion, magnetism. No one can say who first "discovered" the effects of these phenomena, for some of their results must have been observed from the earliest ages of human understanding. The lofty splendor of the northern lights, the terrifying violence of lightning, the intimate and seemingly magical sparks which resulted when the family cat was stroked on a wintry day must have awed and mystified our prehistoric forebears, perhaps instilling in their minds and heritage the qualities which made them wonder, which led them to the concept of powers greater than the club and spear> which caused them to ask the burning question, "Why?"1 aDewasa  aRadio—Transmitters and transmission--Radio frequency--Radio circuits  aBeli  aBPAD DKI  a50631/11