Amateur radio : how and why of wireless with complete instructions on operation of receiving outfits (1922)
Grainger, Maurice J · New York : James A. McCann · leaf 95
wires and do not penetrate to the core, becauseof the phenomenon known as skin effect.The loss of radio energy in the wires dependson the electrical conducting properties of thesurface metal. In so far as electrical conducting propertiesare concerned, pure copper is the mostefficient commercial…
Radio · Amateur radio stations
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