Topband: Best 160 antenna

[Michael Walker]

I have 90 ft trees and I have a 1/4 wave draped over the top of them.

I have gone with elevated radials and in ground radials at different times.


I have a unun in place and a choke to provide a DC ground as well.   I'm
pretty pleased with the DX I've worked with it.

I have used both a Drone and an Air Canon to get the lines in place.  My
drone was the one that was in qst about 5 years ago

Mike va3mw


On Sun, Aug 27, 2017 at 7:46 PM, Arthur Delibert <radio75a3 at msn.com> wrote:

> I’ve found it useful to put a ferrite choke balun at each end – one at the
> antenna and one at the receiver.  Jim Brown, K9YC, has some helpful stuff
> on the internet about this.
>
> Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for
> Windows 10
>
> From: Mike Waters<mailto:mikewate at gmail.com>
> Sent: Sunday, August 27, 2017 3:13 PM
> To: Mike Furrey<mailto:mikefurrey at att.net>
> Cc: gary mankoff<mailto:garyjm88 at gmail.com>; topband<mailto:topband@
> contesting.com>
> Subject: Re: Topband: Best 160 antenna
>
> The importance of a ferrite choke balun at the feedpoint cannot be
> overemphasized. A good design for 160m is 5 or 6 turns of coax wound
> through five stacked 2.4" 31-material ferrite toroids. Photos and details
> on my web pages referenced earlier.
>
> I had two elevated radials. It is a well-established fact that four 10' or
> 12' high 1/4 wave radials are as good as 120 on the ground.
>
> 73 Mike
> www.w0btu.com
>
> On Aug 27, 2017 12:53 PM, "Mike Furrey" <mikefurrey at att.net> wrote:
>
> Hi Gary,
> For many years I used an inverted L between two tall pine trees and one
> elevated radial that was L shaped to fit on the 90' x 60' lot I had in
> Spring, TX. The radial was about 15' up and it was fed through a choke
> balun.
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