[TowerTalk] C-31XR vs. 4 el. SteppIR

ChetMoore ChetMoore at cox.net
Wed Mar 16 20:06:41 EST 2005


Remember the operative word here is "modeled"  in the models, a bumble can't 
fly.

che n6zo
----- Original Message ----- 
From: "Bill" <w5vx at hiline.net>
To: <towertalk at contesting.com>
Sent: Wednesday, March 16, 2005 7:24 PM
Subject: Re: [TowerTalk] C-31XR vs. 4 el. SteppIR


> Dan,
>
> I'm not trying to pick a fight and I know that I am going to regret asking
> this question but...
>
> How can a 4 element multiband yagi with a compromised boom length deliver
> gain approximating that of a well designed 5 element monobander? This
> doesn't seem to make sense to me. (Regardless of who made the antennas.)
>
> Bill, W5VX
>
>
>>-----Original Message-----
>>From: towertalk-bounces at contesting.com [mailto:towertalk-
>>bounces at contesting.com] On Behalf Of Dan Levin
>>Sent: Wednesday, March 16, 2005 3:22 PM
>>To: towertalk at contesting.com
>>Subject: [TowerTalk] C-31XR vs. 4 el. SteppIR
>>
>>I did a fairly detailed computer model study of these two antennae, 
>>looking
>>at gain in particular.  You can read it at http://www.k6if.com/ .
>>
>>My summary was that even with fixed element spacing, the 4 element SteppIR
>>delivers gain approximating that of a well designed 5 element monobander 
>>on
>>10 and 15 meters, and that it is consistently better than the C-31 by a
>>small amount.
>>
>>                           ***dan, K6IF
>>_______________________________________________
>>
>>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 at 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 at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 




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