[TowerTalk] 20 Meter Yagi Suggestions

[Bill Parry]

I had a lot of trouble with the 155 and 105 Hygain antennas.  The tips of the elements kept vibrating and breaking off. I put rope in the antenna elements and it looked real funny with the tip broken off and the rope hanging down. I finally switched them out with the 6 element KLMs for 10 and 15 and never had another problem. Never figured out what the problem was. However, I never had a Hygain 20 meter antenna.

Bill

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of Jim W7RY
Sent: Wednesday, April 16, 2014 10:23 PM
To: Dan Cisson; towertalk at contesting.com
Subject: Re: [TowerTalk] 20 Meter Yagi Suggestions

I didnt know they still made this antenna Dan!  HRO has them for free shipping according to their web site!

I looked at the sites you suggested. I dont need OWA because bandwidth is not an issue for me. I would like to find info for optimizing the SWR at the lower end of the band. Guess I could interpolate the two settings in the manual, and get it down in frequency a bit. (14.075).
The YU7EF site suggests the boom be extended to 49 feet. I dont want to do that.

Thanks for the suggestion!

73
Jim W7RY


-----Original Message-----
From: Dan Cisson
Sent: Wednesday, April 16, 2014 7:20 PM
To: Jim W7RY ; towertalk at contesting.com
Subject: Re: [TowerTalk] 20 Meter Yagi Suggestions

Jim,, a Hy Gain 205 BAS is very hard to beat right out of the box. And with web sites like YU7EF and G0KSC,, the 205 BA can be optimized even greater.
But overall, the 205 is very good when operated at about 2 wavelengths up a tower. This is where monobanders really perform. Good Luck with your choice..Dan N4GNR
----- Original Message -----
From: "Jim W7RY" <w7ry at centurytel.net>
To: <towertalk at contesting.com>
Sent: Wednesday, April 16, 2014 9:33 PM
Subject: [TowerTalk] 20 Meter Yagi Suggestions


> Im looking for a 20 meter monobander... Bigger than a 204BA and smaller 
> than the 45 foot boom M2 20M5LD. It will be mounted below a XM240 at on 
> top of a 70 Rohn 45.
>
> I think gain is more important to me than F/B
>
> Bandwidth is not an issues because Im 99.9% CW and RTTY.
>
> Im even considering building my own. Bums me out that Stan sold out his 
> aluminum business to Engineering. Oh well.
>
> Suggestions?
>
> Thanks!
> 73
> Jim W7RY
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