. An elementary manual of radiotelegraphy and radiotelephony for students and operators . to that plane; in other directions varying in accordance with theradii of a figure of 8 polar curve, as shown in Fig. 30 (a), (&), (c).Fig. 30 (a) shows a theoretical curve of which the radii in various RADIATING A.\D KECEIVING CIRCUITS 189 ilirectii»U8 art* j>n|)i>itional to tlio eiuT^iy kimiI out in iidirections by a rlosml circuit oscillutor wiili jdano i>er|nMuli ito tlio jtaper, ami in the direction of the niaxiniuni radius. (6) 8hi»\vs ti curve obtained by actual observations, employ
. An elementary manual of radiotelegraphy and radiotelephony for students and operators . to that plane; in other directions varying in accordance with theradii of a figure of 8 polar curve, as shown in Fig. 30 (a), (&), (c).Fig. 30 (a) shows a theoretical curve of which the radii in various RADIATING A.\D KECEIVING CIRCUITS 189 ilirectii»U8 art* j>n|)i>itional to tlio eiuT^iy kimiI out in iidirections by a rlosml circuit oscillutor wiili jdano i>er|nMuli ito tlio jtaper, ami in the direction of the niaxiniuni radius. (6) 8hi»\vs ti curve obtained by actual observations, employingthe Duddell thernioainineter (see chapter VI.) to measure thecnerj^V radiated in various directions. Fig. 30(c) is a similarpolar curve, the radii of which denote magnetic field strengthin various azimuths at etiual from the transmitter. These inventors employed a transmitting antenna and areceiving antenna of the same form. Wlien used as a receivingantenna the oscillation detector, of whatever type it may be, At # 8 FiQ. 31. is placed at the centre of the lower or
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttelegra, bookyear1916
