Cubical quad antennas with spreader-reinforced crossarms

Details Cubical quad antennas with spreader-reinforced crossarms Cubical quad antennas with spreader-reinforced crossarms

1977-01-24

1979-02-06

Lieberman, Eli

Communications: radio wave antennas

Antennas

High frequency type loops

343819, 343871, H01Q 700, H01Q 116

Patent

active

041386825

ABSTRACT:
This invention concerns itself with improvements to cubical quad antennas. The chief disadvantage to cubical quad antennas is their relative lack of strength and vulnerability to high winds and icing conditions. The present invention provides for a spreader reinforced crossarm system that adds appreciably to the strength of these antennas. There is also the added advantage that additional elements can be added and supported by the aforementioned guy line support system, thus alleviating the necessity for a crossarm assembly for each element. The one additional advantage of the invention is that elements can be supported by the ends of the spreaders themselves, thus affording a greater distance between elements than would be possible with just the boom and no spreaders with the effect of increasing the gain of the antenna array.

REFERENCES:
patent: 3284801 (1966-11-01), Bryant
patent: 3373434 (1968-03-01), Lorenzo
patent: 3532315 (1970-10-01), Partridge
patent: 3553701 (1971-01-01), Thomas
patent: 3821742 (1974-06-01), Pollard
patent: 4021811 (1977-05-01), Bastian

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