I use a cobweb at 40ft and it works real well for me also. It’s a good
multiband antenna.
~73
Don
KD8NNU
2014 Top Gun :-)
-.- -.. ---.. -. -. ..-
-----Original Message-----
From: drewko
Sent: Sunday, September 14, 2014 8:43 AM
To: Elecraft@mailman.qth.net
Subject: Re: [Elecraft] OT: Antenna ideas for a cheap ham
I don't have a tower but I am using a 10-20m cobweb antenna in my
attic. It's non-directional and feeds with a single coax. It gets out
pretty well on all five bands. Recently worked aZL station on 17m with
less than 2 watts (this is the requisite anecdotal information... but
true.) I'd love to try it on an 80 ft tower...
I'm using the G3TXQ version with single-wire elements. I originally
trimmed it to freq using a (cheap) noise bridge but a graphical
antenna analyzer would be nice and easy.
73,
Drew
AF2Z
On Sat, 13 Sep 2014 13:16:37 -0800, you wrote:
I sent this to the reflector last Tuesday but it never posted on the
reflector; here it is again:
Date: Tue, 09 Sep 2014 09:03:13 -0800
To: Elecraft Reflector
From: Edward R Cole <kl...@acsalaska.net>
Subject: OT: Antenna ideas for a cheap ham
This might be considered an offshoot of the OT R8 discussion - read on:
A local ham friend dropped by to show my an antenna he had acquired
wondering what freq. it covered. After looking it over I decided it
was a 36-MHz quarter wave vertical with decoupling section at the
base and fed with a gamma-match. The gamma has a 7/16 coax
connector with N-female adapter, so apparently commercial band.
My friend also recently acquired an 80-foot crank-up tower for $100
(Yes, you read that correctly). Some guys are really lucky! He
lives on disability so has few funds for ham radio, but asks me what
antennas he can put on top of his tower. He does not want a
directional antenna like a yagi...sooo
First we considered he could lengthen the 72-inch commercial
vertical to operate on 10m and mount it on top of the tower. But
that would only give him one band.He could also shorten it to 6m but
there is little local activity on that band so 10m probably would
provide him better use.
For HF bands I thought about a dipole with auto-tuner. Finally
thought maybe running sloping dipoles might work well. Base load
that tower as grounded vertical? 160-40m?
Another note: He has a tech-class license so that limits where he
can operate. I suggested upgrading to General and he is not adverse
to doing that. He owns a IC-706.
Any suggestions?
73, Ed - KL7UW
http://www.kl7uw.com
"Kits made by KL7UW"
Dubus Mag business:
dubus...@gmail.com
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