YES!! Done this, very good wire antenna. Full wave triangle loop, apex
pointed down, 4:1 balun at feed point and SWR1.5:1 or better coverage entire
40m band, plus it works on 20m plus 15m! (Works= good SWR). Downside it
needing two high supports.
Chris
KF7P
On May 20, 2016, at 11:44 AM, Hardy Landskov wrote:
> Jim, Paul, et al,
> The Delta Loop is a great antenna if the bottom of the triangle is ON TOP. I
> think Lloyd & Iris pointed that out years ago when they were in Richmond,
> CA.
> 73 N7RT
>
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Jim
> Thomson
> Sent: Friday, May 20, 2016 12:50 PM
> To: towertalk@contesting.com
> Subject: [TowerTalk] 40 meter antenna
>
> Date: Fri, 20 May 2016 06:22:29 -0400
> From: N1BUG <paul@n1bug.com>
> To: towertalk@contesting.com
> Subject: Re: [TowerTalk] 40 meter antenna
>
> On 05/19/2016 12:27 PM, Tom Osborne wrote:
>>
>> Will it work to put up an inverted V with a vertical reflector behind it?
>> Would rather not put up 2 verticals becuse of the radials needed.
>
> Probably not, but I will second the idea of adding an inverted V reflector.
> Years ago I very successfully used 3 and 4 element inverted V wire beams on
> 20 meters. I currently have a 3 element up for 40 meters.
>
> 73,
> Paul N1BUG
>
> ## what else that works is a 1/2 wave sloper...with a delta loop reflector
> behind it.
> I have see that used on 80m with good results.
>
> ## the 40m array in the old arrl ant books..using 4-5 x 1/2 wave slopers
> also
> works good. One is always a DE, the rest are REFs. Simple + effective.
>
> Jim VE7RF
>
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