[Towertalk] Antenna Suggestions Wanted!

[DGB]

http://www.wellbrook.uk.com/K9AY.html

de W9YQ

----- Original Message -----
From: "Carl Smidt" <smidtca@sprint.ca>
To: "John Tait" <bravo@iol.ie>; <towertalk@contesting.com>
Sent: Monday, March 18, 2002 6:50 AM
Subject: Re: [Towertalk] Antenna Suggestions Wanted!


> Please, what is a K9AY???
>
> 73,   Carl   VE9OV
>
>
> ----- Original Message -----
> From: "John Tait" <bravo@iol.ie>
> To: "Barry Schieferstein" <BarryS@Core.Com>;
<towertalk@contesting.com>
> Sent: Monday, March 18, 2002 7:22 AM
> Subject: Re: [Towertalk] Antenna Suggestions Wanted!
>
>
> >
> > Hi Barry...
> >
> > Subject: [Towertalk] Antenna Suggestions Wanted!
> >
> >
> > > Hi.  After reading many, many posts from the archives
here and elsewhere
> I
> > have decided to ask for suggestions from the many
experts and more
> > knowledgable people here.  I am looking to improve my
80/75 and 160
> signals
> > (with 75m domestic contests the priority).  I live on a
corner city lot in
> > central Columbus, Ohio.  I have a LOT of trees on this
lot.  Currently my
> > station consists of a Mosely Classic 33 on a Glen Martin
rooftop tower on
> my
> > garage (can't do a tower without cutting down a tree or
two) and a
> > Alpha-Delta 40-80-160 trap dipole  with an apex at about
40'.    This
> > antenna is suspended in an Inverted V shape from a rope
strung between two
> > of my trees.  These are two of four of the largest trees
that are pretty
> > much at the corners of the house and are 60+ feet in
height.  The 40m
> > portion of this works great.  Currently I am considering
an 80 and/or 160
> > meter inverted L's using either an 80 meter trap and one
wire or two
> > separate l's fed at the same point.  Being a corner lot
I cannot do equal
> > in-ground radials but elevated radials may be an option.
Am I on the
> right
> > path with the l's or are there other (better)
possibilities out there?
> >
> >   I've done inverted Ls...trapped and otherwise, and
they work well, but
> > like 1/4 w/l verticals, they are dependant on a good
ground system.
> > IF you CAN'T get down an acceptable ground, there's an
effective
> > alternative...vertical dipoles...
> >    Take a look at Don K2KQ's version at
> > http://www.yccc.org/Features/double_l.htm
> > I'm using 45ft dipoles. loaded top and bottom (cap hat
wire) on 80 and
> 160m.
> > They compare favourably with my Inverted L, and various
1/4 w/l verticals
> > that I've built.  For some reason, the dipoles are
quieter in RX than the
> > others...'dunno why...Not that it's an issue here, as I
use a K9AY on RX
> > anyway.
> > The dipoles are much quicker to erect, as they're only 2
dimensional (no
> > ground system)...Those trees of yours sound ready made
for the job..
> >     I'll send you drawings of my phased 80m dipoles
directly..
> >         73
> >       John EI7BA   http://www.iol.ie/~bravo/
> >
> > _______________________________________________
> > Towertalk mailing list
> > Towertalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
>
>
>
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