00491nam a2200145Ia 4500003000900000008004100009040001600050080001700066100002000083245014300103260004400246300001400290650001900304650002200323IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a621.396bWIT  aWitts, Alfred T 0aWorked radio calculationsbgraded practical examples, for radio service engineers wireless operators and students of radiocAlfred T Witts  aLondonbSir Isaac Pitman and Sonsc1952  avi, 126p.  aNASA Thesaurus  aRadio Engineering