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Re: RG-6 quad shield for 72 ohm cable and other antenna questions

On 29 Dec 2005 at 13:36, i8cvs wrote:

> Hi Luc, VE2DWE
> 34" long from tip to tip of the pl-259 is correct for the velocity factor of
> a foamed RG59U coax cable.
> The velocity factor of  a RG-6 is 0.659 (solid polyethylene dielectric)
> so that the total lenght from tip to tip of the pl-259 through a T connector
> at 145 MHz is 26.84 inches or 68.17 centimeters
> Much better to use N connectors.
> I got nice results even soldering directly the inner conductors and the
> braids of the above maching lines provided the tips are very short and
> the braids are directly soldered over the copper surface of a small piece
> of PCB i.e. G-10 or any other material.
> A protection of clear silicon over the soldered points is recommended
> against water and pollution and it worked well to me for many years.

Thank's for your input Domenico

I will try your end of the line shorts this will simplifies the use of N type 
connector on RG-59/6 type coax.

buono e felice anno

"It is not the class of license the amateur holds, but the class of the amateur 
that holds the license."

Luc Leblanc VE2DWE
AMSAT 33583
Skype VE2DWE
Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
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