[TowerTalk] rotating delta loop
w2lu at rochester.rr.com
Fri Aug 30 10:18:30 EDT 2013
Yes. That's why ARRL will not print advertiers' "claims to gain".
----- Original Message -----
From: "Pete Smith N4ZR" <n4zr at contesting.com>
To: <towertalk at 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
> 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 at 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 at contesting.com">mailto:towertalk at contesting.com>
>> Date: Tue, 27 Aug 2013 18:18:57 -0700
>> From: Robert E G Earl <bearll at telus.net>
>> To: towertalk at 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
>> ## 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
>> 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
>> That's 39-42 ft in total.
>> ## What this needs is a 40 ft boom....and 2 more eles. Then it becomes
>> flame thrower. Keep up the good work.
>> later........ Jim VE7RF
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