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Re: [TowerTalk] cutting phasing lines

To: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Subject: Re: [TowerTalk] cutting phasing lines
From: jimlux <jimlux@earthlink.net>
Reply-to: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Date: Sun, 11 Apr 2010 16:56:05 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
vk3pa@vk3pa.com wrote:
> Gdy all, my Q is I need to cut phasing lines for 7.050 Mhz of 84  
> degrees es 71 degrees! ok So far,  now 360 degrees = 1 wave length, so  
> 0.5 wavelrngth (=180 degrees) would be 468/freq /vf es / by 180 would  
> be 1 degree so x by required degrees  eg 84 es 71  ok ! so now how do  
> I convert 84 es 71 degrees to a frequency so I can cut the lines WITH  
> my antenna bridge rx vector analyst autek VA1?? OR AM i  WAY OFF IN MY  
> THINKING!! 73 es tnx Al vk3pa
> _

By the way, the 468/MHz is for cutting a dipole. about 5% shorter than 
free space half wavelength which gets you close to a non-reactive 
feedpoint Z.
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