Re: [TowerTalk] rotating delta loop

["Gene Fuller" <w2lu@rochester.rr.com>]

Yes. That's why ARRL will not print advertiers'  "claims to gain".

----- Original Message ----- 
From: "Pete Smith N4ZR" <n4zr@contesting.com>
To: <towertalk@contesting.com>
Sent: Friday, August 30, 2013 6:45 AM
Subject: Re: [TowerTalk] rotating delta loop


> Well, let's be clear - this message was nothing but a thinly disguised 
> commercial advertisement.  The gain number reminds me of some of those we 
> used to see in ads.
> 73, Pete N4ZR
> Check out the Reverse Beacon Network at
> http://reversebeacon.net,
> blog at reversebeacon.blogspot.com.
> For spots, please go to your favorite
> ARC V6 or VE7CC DX cluster node.
>
> On 8/29/2013 12:35 PM, john@kk9a.com wrote:
> > This is good gain for the boom length.  It would be nice if there were
> > photos on the website.
> >
> > John KK9A
> >
> >
> > List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
> > Date: Tue, 27 Aug 2013 18:18:57 -0700
> > From: Robert E G Earl <bearll@telus.net>
> > To: towertalk@contesting.com
> > Subject: [TowerTalk] rotating delta loop
> >
> >
> > I have made a 4 element deltaloop on a 30 foot boom for 20/17/15/12/10
> > meters in 1983. I have since refurbished the antenna and I am now
> > re-installing at my new address. The gain for 4 elements is around 11.5
> > dbd. If anyone is interested, I have put together a website that
> > describes my findings. I can work most on the 1st or 2nd call. The
> > antenna is very quiet for those very weak ones. My website is
> > WWW.deltaloopantenna.ca or com.
> >
> > 73 Bob VE7SQ
> >
> > ###  here it states a 4 el 20m monoband delta loop....on a 24.6 ft long 
> > boom.
> > (snip)
> >
> > ##  so its  6.26 dbd  on a 24.6 ft long boom.    That's pretty good,
> > considering F12 rates their 4 el yagi  on a 30 ft boom at 6.0 dbd.
> > A 204BA  is aprx 5.5 dbd.     My 5 el F12 yag on a 36 ft boom is only 7.3
> > dbd.
> >   A 3 el on a 18 ft boom is only 5.2 dbd.   The F12 6 el
> > on a 44 ft boom is  7.8 dbd.
> > ##  How long is each of the three spreaders ?   Im guessing at least 
> > 13-14
> > ft.
> >   That's  39-42 ft in total.
> >
> > ##  What this needs is a  40 ft boom....and 2 more eles.  Then it becomes 
> > a
> > flame thrower.   Keep up the good work.
> >
> > later........ Jim  VE7RF
> > _____________________________
> >
> > _______________________________________________
> >
> >
> >
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>
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>
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