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Re: Topband: Slinky vs. Loading

To: <topband@contesting.com>, "Charles Bibb" <zedkay@bellsouth.net>
Subject: Re: Topband: Slinky vs. Loading
From: "Tom Rauch" <w8ji@contesting.com>
Reply-to: Tom Rauch <w8ji@contesting.com>
Date: Tue, 8 Nov 2005 20:31:54 -0500
List-post: <mailto:topband@contesting.com>
> The third option was to load the short beverage to make it
electrically
> 1-wavelength long. Since I wanted to verify the
> proper loading coil values and because the lowest
frequency that my Autek
> RF-1 will tune to is about 1130khz, I initially
> constructed the short beverage as two shortened, loaded
dipoles, each
> having two loading coils (each about 71 microH)

> However, this antenna does NOT work well on 80 or 40. It
appears that the
> loading coils act less like loading coils and
> more like RF chokes at these higher frequencies.

http://www.w8ji.com/slinky_and_loaded_beverages.htm

73 Tom

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