Radio navigation beacon

Details Radio navigation beacon Radio navigation beacon

1975-07-21

1977-04-12

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343108M, 343113DE, G01S 140

Patent

active

040178609

ABSTRACT:
A Doppler Navigation Beacon incorporating the moving reference concept in a planar antenna matrix with programmed excitation, replacing the linear commutated array of the prior art to provide vertical diversity for azimuth guidance use and horizontal diversity for vertical guidance use. A pencil-beam effect is obtained without change of signal format or receiving station processing. Technique applicable to Doppler type navigation (landing) systems and to direction finding generally.

REFERENCES:
patent: 3226718 (1965-12-01), Earp
patent: 3798645 (1974-03-01), Baurle et al.
patent: 3852753 (1974-12-01), Blakemore
patent: 3953854 (1976-04-01), Overbury

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