Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1980-09-05
1982-09-28
Hubler, Malcolm F.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
H01Q 1518
Patent
active
043521061
ABSTRACT:
In order to provide coverage of a full 360 degrees of azimuth even when heeled a radar reflector consists of ten trihedral reflectors directed outwardly of a major axis the inner eight of which are formed in vertically displaced pairs of dihedral reflectors sub-divided by a divider portion which reflectors are positioned such that the apexes of the two central dihedral reflectors are relatively displaced about the major axis by an angle a and the apexes of the dihedral reflectors on each side of the central reflectors are displaced relative to the nearest apex of a central dihedral reflector each by an angle different to a, the arrangement being such that the spacing between the central axes of reflection of adjacent trihedral reflectors is in the range 25 degrees to 45 degrees. The reflector is suitable for use on small boats and other vessels and marine buoys.
REFERENCES:
patent: 2721998 (1955-10-01), Holm
patent: 4028701 (1977-06-01), Parks et al.
Groff, Jr. Emory L.
Hubler Malcolm F.
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