[TowerTalk] lp V stepIR

[Stuart Browne]

That would be worth modeling....4 ivLPDA off a single central tower say at
75' with each array supported by a 25' mast ...45 deg take off angle?

WH6H

On Sun, Jan 24, 2010 at 12:31 PM, jimlux <jimlux at earthlink.net> wrote:

> Steve, W3AHL wrote:
> > Construction details for an 80-40m wire LPDA are in the ARRL Antenna
> > Handbook, 20th Edition.  It could easily be extended to higher bands.
> >
> > You need a large family to rotate it and a large field if you're going
> for
> > any height....
> >
>
>
> I've always thought that since the beamwidth is fairly wide (90
> degrees-ish) that you could build 4 or more around a central point, and
> then use some sort of power dividing scheme to "rotate" the beam. (or
> heck, just point in one of 4 directions, at worst, you're down 3dB)
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