Antennas

Version 9 (J. Simmons, 10/16/2018 05:27 am)

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h1. Antennas
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The resources pages are used as a central repository of technical research.  This topic page covers material related to the design and analysis of antennas.  Antennas are key components in radio based communications systems, including ground stations.
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h2. Design Tools
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* "4nec2":http://www.qsl.net/4nec2/
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h2. Quadrifilar Helix (QFH) Antennas
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* "Helical Quad Antenna for Weather Satellites":http://www.alternet.us.com/?p=1461
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* "A QFH antenna for the weather satellite band":http://www.g4ilo.com/qfh.html
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* "QFH sizing calculator (online)":http://jcoppens.com/ant/qfh/calc.en.php
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h2. J-Pole Antenna
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* "Dual-band 2m/70cm portable J-pole Antenna":https://plus.google.com/103325124303499719264/posts/ckJhzUWFvZ1?iem=4&gpawv=1&hl=en-US