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Re: [TowerTalk] worlds biggest yagi

To: "Richard \(Rick\) Karlquist" <richard@karlquist.com>, "Rob" <ve6tr@telus.net>
Subject: Re: [TowerTalk] worlds biggest yagi
From: "Billy Cox" <aa4nu@ix.netcom.com>
Date: Sat, 29 Mar 2008 16:52:42 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Or, did he do this for bandwidth/matching reasons
just as K3LR/W3LPL/etc do with their 4L40m?

Remember also that a ~ 0.25 - 0.30w boom, per my 
old W2PV notes, can have a naturally higher F/B ...

Just a thought or two to also consider ... 

73 de Billy, AA4NU

----- Original Message ----- 
> The boom on this is only 76 feet.  That would be
> 19 feet on 20 meters.  This seems way too short
> to justify 4 elements.  In fact you can do pretty
> well with 3 elements up to a 26 ft boom on 20m.
> IMHO, the "full size" moniker applies only to the
> elements, not the boom.
> 
> Rick N6RK
> 
> Rob wrote:
>> ... and then there is the 4 element full size 80m yagi.... (+ others  
>> on the website).
>> 
>> http://alfaradio.ca/users/ve6jy/ve6jy-80m.html
>> 
>> Rob
>> VE6TR
>> 
>> 
>>> More big yagi's...
>>>
>>> WA6ZZK  20 meter long boom  (100 foot.
>>> K4SKI  had a 9 el 20 on a 100 foot boom in the early 70's.  The boom  
>>> was
>>> made from Rohn 25.
>>>
>>> Dunc Carter then W5IOU made several very long boom 8 element quads for
>>> himself and W5WMU
>>> in the late 60's.  Dunc also used Rohn 25 for the boom.  His biggest  
>>> was on
>>> a 100 foot boom.
>>>
>>> As I recall OH8OS was last seen using stacked beams as his big array  
>>> fell
>>> down.
>>>
>>> Dave K4JRB
>>>
>>>
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>> 
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