[Towertalk] Antenna Suggestions Wanted!-MORE!!

[Barry Schieferstein]

Thanks Michael!  I am will probably do an L for 160.  I am still undecided
on 75 though.
Barry KW8W

----- Original Message -----
From: "Mike & Coreen Smith" <ve9aa@nbnet.nb.ca>
To: "Barry Schieferstein" <BarryS@Core.Com>
Cc: <towertalk@contesting.com>
Sent: Wednesday, March 20, 2002 2:19 PM
Subject: Re: [Towertalk] Antenna Suggestions Wanted!-MORE!!


> Barry,
>
> Looks like I missed the original post by you, so I don't have your
details,
> however I second the motion
> for an Inverted L.
> I am on an acre lot (however not using all of it) and I have "L's" on 80m
> and 160m.
> I had about 27 1/4wl radials on 160m and 5/16th WL inverted L section is
> roughly up 60 feet and more or less horizontal
> about 100'.<< I say HAD because eventually I lost 7 or 8 radials (or parts
> of them) from my wifes gardening or general yardwork, etc. etc. No
> noticeable difference>>.   This allowed me to use a large ~800pF air
> variable at the bottom to tune out the inductive reactance and obtain a
> perfect match.  I have it set to a perfect match @ 1.835MHz, but can also
do
> the SSB portion (contests, etc.) by walking outside and making a small
> adjustment to the cap.  They say 5/16th wave "MAY" (emphasized, may) have
a
> slightly lower angle of radiation than the normal 1/4wl. I had just heard
> this from several people but have no hard evidence to back this up
(comments
> welcome)
> I have a small low-rpm motor that I will install this summer to turn the
cap
> remotely from the shack for those -30°C winter nights next year, brrrrrrr
>
> The 80m one is more or less shaped like this:
> \
>
> "slanted" and also about 5/16th WL....same as the 160m one and works very
> well.
>
> I am 'sometimes' the first one through the pileup with a kW, but rarely
ever
> stay in a 80m/160m p/u very long, though I am not too active the past 3-4
> years on the low bands. (it works well in other words)
>
> I was one of the lucky ones to work VK0IR on 160m, beating out "some" very
> notable w1/2/3/4 guys with this very simple antenna. Not braggin'...just
> saying that it does work well for me.  I am @ ~ 30'ASL next to a small
lake
> and cedar swampage so believe my ground is probably "above average" for
the
> low bands anyway.
>
> My QTH sux for VHF though, hi hi!
>
> Thumbs up for the Inverted L........
>
> Michael, Coreen & Corey Smith
> (VE9AA,  VE9AAA & Little-VE9 to be)
> 271 Smith Rd
> Waterville, NB
> E2V 3V6
> Canada
> http://ve9aa.tripod.com/
> http://www.geocities.com/RainForest/Vines/2174/
>
> ----- Original Message -----
> From: "Barry Schieferstein" <BarryS@Core.Com>
> To: <towertalk@contesting.com>
> Sent: Wednesday, March 20, 2002 6:34 PM
> Subject: Re: [Towertalk] Antenna Suggestions Wanted!
>
>
> > Hi All,
> > I wanted to summarize the suggstions I got in response to my request for
> > improving 80/160 on a city lot.
> >
> > K2AV: Guy suggests using an L 55' up and 78' horizontal and a matching
> > network that would allow it to be used on 30/40/80/160.  With a good
> ground
> > system this seems to be a very viable option.
> >
> > AA4NU:  Billy suggest sticking with an inverted V for 80 and possibly
> > feeding the entire tower/tribander against ground for 160.
> >
> > EI7BA:  John sent me a great drawing of his phased dipoles.  I may
> > experiment with these but they really need more acreage than I have.
> >
> > K4IA:  Buck suggests a top fed L if I can't do a good radial system.
> >
> > K4IK:  Joe, who is very familiar with Ohio contesting, suggests pulling
> the
> > trap dipole flat and installing a reflector.  Again the supporting trees
> > here are not spaced far enough apart but this would have been the
easiest
> to
> > implement.
> >
> > N8BR: Bill uses a 1/4 wave inverted checkmark fed with ladder line and
> using
> > elevated radials.  This is another I may experiment with.
> >
> > Thanks to all who responded.  I have also found that I am enjoying the
> many
> > other discussions going on here on this very active reflector.
> >
> > Barry KW8W
> >
> >
> > _______________________________________________
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> >
>
>