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#17
May 13th 10, 09:07 PM
posted to rec.radio.shortwave
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Chesterfield Island
On May 13, 12:48*pm, "Mark S. Holden" wrote:
bpnjensen wrote: On May 13, 12:12 pm, "D. Peter Maus" wrote: On 5/13/10 13:39 , Mark S. Holden wrote: And to include some closer to on topic content - has anyone here experimented with using a slinky as a loading coil for a "portable" vertical antenna? If so, any thoughts on if it's worthwhile? * *That was discussed pretty much to death about a decade ago. And a dozen or so members tried it. With, as you'd expect, mixed results. * *As a quick-deploy horizontal, a slinky does pretty well in the field. As a loading coil for a vertical, not so much. Largely because it needs a form to keep the coil stable. Would sheets of plastic inserted between the coils to prevent contact plus an overall clamp to maintain shape do the trick? *Once done, it could be 'set and forget'... If I go this route, I'd be looking to stretch it out a bit so I can tap it at different spots for different bands.- Hide quoted text - - Show quoted text - Nice idea - thanks! |
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