Re: [TowerTalk] Dielectrically lenghtening the boom

[jimlux <jimlux@earthlink.net>]

Andy wrote:
>> Take a Yagi, and fill the space between elements with a material which its
>> dielectric constant is less than 1.0 (air's).
> 
> You probably meant to write "greater than 1.0".  I'm not aware of materials
> with dielectric constants less than 1.0.
> 

There are composite materials which have apparent permittivity <1 for 
limited frequency ranges.
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