QFH
Introduction
Matching
Simulations
Dimensions
Groundplane
Related:
Simple helicoidal
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All the ingredients for the QFH antenna... Note the harcopy of my
antenna calculator!
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Most of the plastic work is done. |
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This is a 'floppy' version of the QFH antenna.
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And here are all the supports in place again. |
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Another view.
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Inside the top, |
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and the bottom connections.
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And then outside. The vertical support fits exactly in the umbrella stand (but is too narrow to make easy connections!). |
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A little closer. All on a typical Belgian cloudy day...
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| (c) John Coppens ON6JC/LW3HAZ |