A compact passive broadband hexagonal spiral antenna array for VHF remote sensing

RJ Barton, PJ Collins, PE Crittenden… - … and Remote Sensing …, 2007 - ieeexplore.ieee.org
RJ Barton, PJ Collins, PE Crittenden, MJ Havrilla, AJ Terzuoli
2007 IEEE International Geoscience and Remote Sensing Symposium, 2007ieeexplore.ieee.org
This paper presents the results of research exploring compact antenna design techniques
for a desired 10: 1 bandwidth in the Very High Frequency (VHF) band for remote sensing
applications. A relatively compact antenna array has been developed to efficiently receive
arbitrary RF signals across the entire 30 to 300 MHz VHF spectrum. Specifically, the antenna
fits within a 3 meter cube, is capable of receiving both horizontally and vertically polarized
signals, and has a single main beam that consistently maintains a beamwidth close to 45° …
This paper presents the results of research exploring compact antenna design techniques for a desired 10:1 bandwidth in the Very High Frequency (VHF) band for remote sensing applications. A relatively compact antenna array has been developed to efficiently receive arbitrary RF signals across the entire 30 to 300 MHz VHF spectrum. Specifically, the antenna fits within a 3 meter cube, is capable of receiving both horizontally and vertically polarized signals, and has a single main beam that consistently maintains a beamwidth close to 45°. Additionally it has only one output, and it is entirely passive, i.e. no power is provided to the antenna.
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