. Amateur radio : how and why of wireless with complete instructions on operation of receiving outfits . ber covered wire being used forconnection from the ground switch to theground connection. A ground connection must also be providedfor the instrument. This may be made on awater pipe, a radiator or any metal which is agood conductor of electricity and which is alsoconnected to the earth. No. 12 or 14 wiremay be used for connection from the groundto the instruments. Radio frequency currents, conducted bywires at the sending and receiving stations,travel only along the surface exterior of the
. Amateur radio : how and why of wireless with complete instructions on operation of receiving outfits . ber covered wire being used forconnection from the ground switch to theground connection. A ground connection must also be providedfor the instrument. This may be made on awater pipe, a radiator or any metal which is agood conductor of electricity and which is alsoconnected to the earth. No. 12 or 14 wiremay be used for connection from the groundto the instruments. Radio frequency currents, conducted bywires at the sending and receiving stations,travel only along the surface exterior of thewires and do not penetrate to the core, becauseof the phenomenon known as skin 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 metal, but it lacks suffi- r hiJo <-J G. ttf O h2 o *- bi X * ° O L «*. or u io -i £ Z P & o 0.,-uj a) u! J a -J 1 1 si ^O o x ° 5 5fe < Ul Id -I z -J s: u- Ul.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectradio, bookyear1922
