Topband
[Top] [All Lists]

Re: Topband: 160m Vertical Ideas?

To: topband@contesting.com
Subject: Re: Topband: 160m Vertical Ideas?
From: Ryszard Tymkiewicz <rtym@ippt.pan.pl>
Date: Sat, 28 Oct 2017 16:02:55 +0200
List-post: <mailto:topband@contesting.com>
Ed I used to have half sloper for more than 10 years and it was working quite well  but a few years ago I tried shunt feed the same tower ( 21m with big yagi on the top) and the difference was 1-2 S favouring shunt fed tower ( I was making tests with far DX stations).

                              73 Rys
                            SP5EWY


W dniu 2017-10-28 o 15:04, Pete Rimmel N8PR pisze:
Why not try a Half Sloper.  Your tall crank up would work well with that...

Take Coax up inside the tower and then run the braid to ground at the top of 
the tower and a 1/4 wave wire +/- off to one side at about 45 degrees.

It will make the whole system work.  You might have to cut or lengthen the 1/4 
wave wire to resonance.




Subject: Topband: 160m Vertical Ideas?
Message-ID: <FB9704B7-CA35-486A-B585-ACA26C200777@yahoo.com>
Content-Type: text/plain; charset=utf-8

Greetings!

Trying to figure out my scheme for 160m.  I currently have three crank up 
towers about 35? apart from one another. One cranks up to 106?, the next to 70? 
and third, to 89?.

I figured I could shunt feed one of the taller towers and call it good but I?m 
concerned about interaction amongst the towers.

Another option is to install an independent vertical about 150? away..   This 
would minimize any interaction and would allow me to lay more/longer radials.  
I could go up about 65? in height.

Inv L is not really an option, as I have no tall trees nearby.

Thoughts?  Ideas?  I welcome your feedback.

73,

Ed NI6S

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



_________________
Topband Reflector Archives - http://www.contesting.com/_topband
<Prev in Thread] Current Thread [Next in Thread>