HF antenna assembly
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United States of America Patent
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Apr 7, 2015
Grant Date -
Dec 26, 2013
app pub date -
Aug 30, 2012
filing date -
Sep 6, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Antenna assembly for providing HF radio communication in two different operating modes. The antenna assembly includes a whip antenna and at least two antenna wire segments. The whip antenna establishes short range HF radio communication with a communication target, via ground wave or low-efficiency skywave propagation, allowing communication when the antenna assembly is in motion. The antenna wire segments are deployable to form an inverted-V antenna using the whip antenna as a center mast. The inverted-V antenna establishes short or medium range HF radio communication with a communication target, via NVIS or directional skywave propagation, allowing rapid deployment of the antenna wire segments when the antenna assembly is stationary. The antenna assembly may be mounted aboard a mobile platform, such as a vehicle.
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