[TowerTalk] lp V stepIR

jimlux jimlux at earthlink.net
Sun Jan 24 10:31:58 PST 2010


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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