What people are saying - Write a review
We haven't found any reviews in the usual places.
General Discussion of Directional Antennas
23 other sections not shown
amplitude angles of arrival antenna coupling antenna gain antenna system antenna terminal impedance antenna under test apparatus Azimuthal Bell Telephone Laboratories Bell Telephone System C. B. Feldman characteristic impedance Charts circuit comparison antenna computed conductive ground conductor construction Copperweld coupling network coupling transducer decibels directional antenna directional characteristics directivity gain effect equation field strength free space ground constants ground plane half wave dipole horizontal dipole horizontal half wave horizontal polarization horizontal rhombic antenna impedance irregularities insulators length maximized design maximum measured multiple wire antennas noise sources O'T O'T O'T obtained ohms OOO*T optimum output plotted on Figure pole Proc ratio receiving antenna Reflection Coefficient rhombus shown on Figure signal gain station Telephone System Monograph terminal impedance three wire trans transmission line transmitting antennas Trigonometric Functions values vertical angle Vertical Plane Directivity voltage West U.S. WIRE RHOMBIC ANTENNA