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Re: Topband: Beverage on Ice

To: Topband <topband@contesting.com>
Subject: Re: Topband: Beverage on Ice
From: Mike Waters <mikewate@gmail.com>
Date: Sun, 18 Jan 2015 16:36:58 -0600
List-post: <topband@contesting.com">mailto:topband@contesting.com>
IIRC, the dielectric constant of pure ice is over 80. :-)  While looking it
up, I found that it varies with frequency, temperature, and any dissolved
content.
http://nvlpubs.nist.gov/nistpubs/jres/64D/jresv64Dn4p357_A1b.pdf

This begs the question, Exactly how much might the performance of a
Beverage vary between summer (the ground under a Beverage completely
thawed) and winter with a frost depth of several feet?

73, Mike
www.w0btu.com

On Sun, Jan 18, 2015 at 1:57 PM, Tom W8JI <w8ji@w8ji.com> wrote:

>
> The velocity factor of an antenna laying on or surrounded by ice is pretty
> slow. ...
>
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