> At 03:08 PM 4/26/01 +0100, Bill Hider wrote:
> >We're talking about making a switching directive array out of GUY WIRES.
> >That's a lot of work. So, what is the benefit. That's the analysis.
> >
> >A pair of inverted "V"s at right angles will be very simple and
manageable.
> >Much easier than
> >feeding the guy wires. Now that gets into the ballpark of a tradeoff.
> >
> >But, at 70 feet, they will have nearly equal performance. The 4-6 dB is
> >only at the 30 degree
> >takeoff. At higher angles, the front to side drops way off to near
> >omnidirectional.
Try a full wave delta loop for 80m - much better than a vee in my opinion.
Tim, EI8IC
List Sponsor: ChampionRadio.com - Trylon self-supporting towers,
safety equipment, rigging gear, LOOS tension guages & more!
http://www.championradio.com
-----
FAQ on WWW: http://www.contesting.com/FAQ/towertalk
Submissions: towertalk@contesting.com
Administrative requests: towertalk-REQUEST@contesting.com
Problems: owner-towertalk@contesting.com
|