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Re: [TowerTalk] SteppIR gain

To: "Jerry Keller - K3BZ" <k3bz@arrl.net>, <towertalk@contesting.com>
Subject: Re: [TowerTalk] SteppIR gain
From: "Dusty Chapman" <k3wc@bellatlantic.net>
Date: Wed, 16 Mar 2005 20:42:47 -0500
List-post: <mailto:towertalk@contesting.com>
Jerry,
     I like the idea of extending the boom, but on the MonstIR for 80 
meters(perhaps a shortened version).
Dusty

----- Original Message ----- 
From: "Jerry Keller - K3BZ" <k3bz@arrl.net>
To: <towertalk@contesting.com>
Sent: Wednesday, March 16, 2005 8:27 PM
Subject: Re: [TowerTalk] SteppIR gain


> Why not extend the boom ends enough to mount an element housing on each 
> end with element tubes
> extending out from the ends. Then you could retract the normal yagi 
> elements and extend the boom end
> elements to turn the boom into a 30/40M dipole. Going back to the normal 
> yagi, retract the 30/40M
> extensions. Separate feeds of course. Wouldn't extend the turning radius 
> very much. It's really just
> a modified SteppIR dipole with one extra motor housing.  Should be able to 
> use one controller.
>
> 73,  Jerry K3BZ
>
> ----- Original Message ----- 
> From: "Joe Subich, K4IK" <k4ik@subich.com>
> To: "'Kelly Johnson'" <n6kj.kelly@gmail.com>; <towertalk@contesting.com>
> Sent: Wednesday, March 16, 2005 7:47 PM
> Subject: Re: [TowerTalk] SteppIR gain
>
>
>>
>> Kelley writes:
>>
>>> It would be nice if a 3L SteppIR could be built WITH 40m, but
>>> still with a relatively small turning radius because for most
>>> suburban dwellers the turning radius is as important as the
>>> aesthetics.
>>
>> I would not rule it out ... but understand the magnitude of the
>> task you propose.  A single feedline antenna that works from
>> 6.9 - 30 plus 50 - 54 MHz in a relatively small form factor
>> (not significantly bigger than a three element 20 meter yagi)
>> with high efficiency.
>>
>> 73,
>>
>>   ... Joe, K4IK
>>
>>
>> _______________________________________________
>>
>> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
>> Weather Stations", and
>> lot's more.  Call Toll Free, 1-800-333-9041 with any questions and ask 
>> for Sherman, W2FLA.
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>>
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> any questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk 

_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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