Antenna system for Doppler VOR ground stations

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed

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343848, G01S 138

Patent

active

039720446

ABSTRACT:
A method used to correct counterpoise distortion of horizontal patterns of antennas radiating horizontally polarized high frequency radiation is described and is applied to reduce undesirable amplitude modulation of the scanned carrier causing bearing errors in a doppler VOR System with amplitude modulated reference used in air navigation.

REFERENCES:
patent: 2436408 (1948-02-01), Tawney
patent: 2941204 (1960-06-01), Bailey
patent: 3273152 (1966-09-01), Earp
patent: 3482248 (1967-07-01), Jongs, Jr.

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