Vertical antenna having an off-center supply

Details Vertical antenna having an off-center supply Vertical antenna having an off-center supply

1975-10-02

1977-01-04

Lieberman, Eli

Communications: radio wave antennas

Antennas

With variable reactance for tuning antenna

343749, 343875, H01Q 916, H01Q 934

Patent

active

040018326

ABSTRACT:
A vertical grounded antenna is supplied at one third of its height. The antenna is substantially a whole wave antenna and, in order to reduce the secondary lobes of the vertical pattern of said antenna, its height is so determined as to produce an inversion of the sign of the phase of the current on each side of the feed input.

REFERENCES:
patent: 2118429 (1938-05-01), Duttera
patent: 2153768 (1939-04-01), Morrison
patent: 2875443 (1959-02-01), Kandoian

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