Broadband cylindrical antenna and method
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Jul 27, 2016
filing date -
Jul 27, 2016
priority date (Note) -
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Abstract
An antenna capable of being joined to an antenna feed and being positioned perpendicular to a ground plane includes a conductive cylinder having a longitudinal slot. The antenna feed is connected across the slot. A plurality of dielectric rods are provided parallel to the slot with rod being positioned much less than one wavelength of the maximum operating frequency away from adjacent rods. The rods each have a length of at least 25 times its mean diameter is made from a material having a dielectric constant greater than 30. The combination of the conductive cylinder and dielectric rods provides increased bandwidth. A kit for modifying existing antennas is further provided.
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