Topband
[Top] [All Lists]

Re: Topband: New user, some advice needed.

To: w0mu@w0mu.com, topband@contesting.com
Subject: Re: Topband: New user, some advice needed.
From: Petronel Postolache <yo8sep@gmail.com>
Date: Mon, 19 Dec 2016 21:24:39 +0200
List-post: <topband@contesting.com">mailto:topband@contesting.com>
I can try to put a 21-22m (68-70 foot) telescopic aluminium pole, made from
pipes 2" to 1" diameter.
It will be a bit too long for 1/4 on 80m. I can put a T top hat or run an
InvL, but probably need to slope it from 70 foot to about 40 foot. What
will be better ? and will I be able to match/use the antenna on 80m also ?

About K9AY, I understood that the loop is influenced by close metal
objects, and the property is full of wire fences, vineyard rows and other
"metal" structures. That's why i was thinking about using some flag/loop at
10 feet or more above ground.

73, Petronel
YO8SEP

160 and 80 will be difficult. Can you get another vertical up about 60 feet?
You can top load that with a trap for 80 and have "t" wires at the top that
also act as guy wires. You can also bottom load for 160 and maybe that will
be good enough for you. Radials whatever you can do will help.

An Inverted L with about 50ft of vertical will work ok....If you can keep
the horizontal end up in the air around the same height or more. It doesn't
sound like you have any tall trees to work with.

For receiving I have been very impressed with a K9AP loop. 25 ft up and about
15 feet out at the corners. It does not take up much space and you can
reverse the direction easily with a relay. A flag or pennant will work too.
You can never have enough rcv or xmit antenna! HI!

Welcome to the club!

W0MU
_________________
Topband Reflector Archives - http://www.contesting.com/_topband

<Prev in Thread] Current Thread [Next in Thread>