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 302
-ii to 158-vii—that is, while the currentin the oscillator is flowing upward—the motion of the electriclines of force generate magnetic lines (not shown), which formcircles around the oscillator running into the paper to the rightand coming out on the left. These magnetic lines vanish at anypoint,… … Wave Form JTtaqneticJField Fig. 153 Electric and MagneticFields of a Vertical Wire JTntenna sheets have moved so far that they can be considered practicallyas planes, then the magnetic lines also lie in these planes, butperpendicular to the electric lines and to the direction of motion.In the case…
Telegraph, Wireless · Radio
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