. An elementary manual of radiotelegraphy and radiotelephony for students and operators . olar diagram of radial lines(see Fig. 25) the intensity of the radiation in different aziuiuthaldirections, he obtained a closed curve something like a figure 8with two unequal loops, the radii of this curve representing theintensity of the radiation for various angular directions round thebent transmitter. It will be seen that the radiation is greatest inone direction, and that is the direction away from which the free - The above almost self-evident explanation of the action of a bent antennahas, howeve


. An elementary manual of radiotelegraphy and radiotelephony for students and operators . olar diagram of radial lines(see Fig. 25) the intensity of the radiation in different aziuiuthaldirections, he obtained a closed curve something like a figure 8with two unequal loops, the radii of this curve representing theintensity of the radiation for various angular directions round thebent transmitter. It will be seen that the radiation is greatest inone direction, and that is the direction away from which the free - The above almost self-evident explanation of the action of a bent antennahas, however, not been accepted by German writers, although it is essentiallyconfirmed by the experiments of Bellini and Tosi described below. J. Zenneckhas advanced another theory in which he states that as far as regards the bentreceiver antenna, the asymmetry depends on the alternating field of the trans-mitter being inclined to the vertical, and having therefore a horizontal Science. Abstracts, Vol. II. B., abs. 705, June, 1908. RADIATING AXD RECEIVING CIRCUITS .83 .s$:» 0 ler. ^^ iSff 180° iw Fig. 25. ,.i«f end of the litnt radiator |»tiints. It is also a iiiiiiiinuin in anotherdirectit»n approximately 110 iVom the niaxinmm directictn, and ithas a socunchiry or intorniediute nniiiniuni ISO* in the o|jix)8itodirection, that is, in the direction in which the free end of the bentantenna j)oints. The shaj>e of this curve can be fully accountedfor theoretically by assuming;as above that the bent antennais a combination of a closedor magnetic oscillator and anoj^en or electric oscillator. A large number of ob-Kervatit)ns were obtained byMarconi with bent transmit-ting antonnie and vertical oropen receiving antenna?, andalso with vertical or sym-metrical radiating antennreand bent receiving antennjeplaced in various relativepositions, and these observa-tions all contirm the statement made above that an antenna which radiates best in any one directionabsorbs best as a r


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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttelegra, bookyear1916