The principles underlying radio communication (1922)
United States. National Bureau of Standards, Ould, Richard Sheldon, 1889-, United States. Army. Signal Corps · Washington, Govt. Print. Off. · leaf 319
by the number of groundconnections. The antenna at the high-frequency alternator sta-tion at New Brunswick, N. J., is about 1 mile long, and hasbeen grounded at five intermediate equidistant points. Theantenna so connected is equivalent to six independent radi-ators, and the total resistance of the… … FIG.173-A.MULT1PLL-TUNLD ANTENNA. 0.33 ohm. Antennas of this type have so far been used onlyfor high-power work, and a detailed description will not begiven here. The multiple-tuned antenna is well adapted for usewith the high-frequency alternator, because in this case theradiated wave length of a…
Telegraph, Wireless · Radio
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