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echo: ham_tech
to: IVY IVERSON
from: ROY WITT
date: 1997-10-06 08:04:00
subject: High Gain Antennas for 2M

Hello Ivy.
04 Oct 97 23:51, Ivy Iverson wrote to Roy Witt:
 RW>> TS-520 stored in a box since 1985...
 II>
 II> Hmmm... if I hadn't already obtained a workable HF rig, I'd ask
 II> if you wanted to give it a good home.
It'l have one as soon as my grandson is old enough to appreciate radio.  If 
there is such a thing by then...He's three in January..
 II>    :-} Have the J-poles paired, above AND below the mast! Also,
 II> what difference would it make if the corner had a screen instead
 II> of duned reflectors? tuned? round? ??
 II>
 II> Tuned.  (My pingers got tankled.)   :-/
 II>
 II>> Rectangular... a classic V-shaped "corner."
 RW>> The screen will give you a higher F/B ratio.
 II>
 II> I'm sure it would.  After all, it's literally a shield.  But how
 II> much difference would it make, both in gain and F/B ration
 II> whether the screen is flat or bent into a corner-shape?
 II> (Assuming the same number of square inches of screen.) ...
A flat screen will give you less F/B than a corner reflector...consider the 
DE (dipole) as surrounded with the CR and open to the sides with a screen.
... Are the noises in my head bothering you?
---------------
* Origin: KB6PI's Antenna Farm * San Diego, CA (1:202/909.10)

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