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
2007 IEEE International Geoscience and Remote Sensing Symposium, 2007•ieeexplore.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° …
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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