Localizer antenna array for use with localizer transmitters oper

Details Localizer antenna array for use with localizer transmitters oper Localizer antenna array for use with localizer transmitters oper

1975-11-19

1978-07-18

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343109, 343853, G01S 116

Patent

active

041018923

ABSTRACT:
A broadband localizer antenna array with an even number of elements is supplied by a backmatched power dividing network comprising two chains of directional couplers and a group of hybrids which divide the power among the elements in accordance with geometrical progessions. The center elements in the array may be spaced 0.6 wavelength apart at the average frequency. Other spacings between the elements are greater than 0.6 wavelength.

REFERENCES:
patent: 3711857 (1973-01-01), Cummings
patent: 3866228 (1975-02-01), Alford

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