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echo: ham_tech
to: JEFF EDMONSON
from: ROY WITT
date: 1997-09-26 08:20:00
subject: High Gain Antennas for 14

Hello Jeff.
25 Sep 97 10:40, Jeff Edmonson wrote to Ivy Iverson:
 JE>
 >>  JE> For that matter, has anyone ever thought of lining up several
 >>  JE> J-poles and  mounting them on a mast in a Yagi configuration?
 JE>
 >> That is an interesting idea!  If you mount them horizontally,
 >> (along a horizonatal mast), the problem of keeping them stable
 >> would, I would think, be almost insurmountable for anything below
 >> 220 MHz, unless you had them in pairs: One ponting "east" opposite
 >> one pointing "west," so they are balanced, then feed them 180
 >> degrees out of phase.
 JE>
 JE> Copper pipe J-Poles would fair better... maybe even some small (1/4")
 JE> tubing, and do exactly that - if you were to feed them horizontally.
 JE> Probably better suited for a vertical configuration.
 JE>
 JE> You see my message to Stan on Quagi's?  Why not 4 J-poles (two driven,
 JE> opposite of each other) two reflectors (same configuration) and yagi
 JE> directors?  Put the whole thing on a 20' wooden boom...
What a cumbersome mess that would be.
... It's better to be judged by 12, than carried by 6!
---------------
* Origin: KB6PI's Antenna Farm * San Diego, CA (1:202/909.10)

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