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 349
tional characteristic in someway. One way to do this is by throwing the balancing condenser 346 ELECTROMAGNETIC WAVES. out of balance and inserting in the ground lead of the balancingcondenser an inductance and capacity in parallel, hy whichthe coil is tuned as a vertical antenna to the incoming… … nG.l79-D. UNILATERAL DIRLCTIONAL CHARACTE.R15TIC OF SYSTEM CONSISTING OF COIL AND VtKTlCAL AMTE.NNA. coupled to the coil antenna circuit in the usual way with avariable coupler. This coupling is adjusted until the strengthof the signal from the antenna alone is the same as thestrength of the signal…
Telegraph, Wireless · Radio
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