Topband: 4 sq k9ay loops for topband

[Kazimierz Drzewiecki]

> Tom, Kaz,
>
>>From the website Kaz provided it appears to be 4 active crossed-pair k9ay
> loops:
>
> http://sp3key.com/klub/k9ay_160_en/index.html
>
>
> Kaz,  am I correct in my understanding?  How did you feed the 4 pairs
> of loops?

Hi,

It's really active phased system.
Now are translating all technical and practical info about it. In polish we 
have articles on http://sp3key.com
http://sp3key.com/klub/k9ay_pro/index.html
I hope today you will see much more info in english.

Kaz SP2FAX

----- Original Message ----- 
From: "Jim Jarvis" <jimjarvis at verizon.net>
To: <w8ji at contesting.com>; <sp2fax at wp.pl>; <topband at contesting.com>
Sent: Monday, March 13, 2006 1:27 PM
Subject: Topband: 4 sq k9ay loops for topband


>
> Tom, Kaz,
>
>>From the website Kaz provided it appears to be 4 active crossed-pair k9ay
> loops:
>
> http://sp3key.com/klub/k9ay_160_en/index.html
>
>
> Kaz,  am I correct in my understanding?  How did you feed the 4 pairs
> of loops?  What were the phase relationships? How did you select 
> directions?
> That is, what control did you use?   Some details would be helpful.
>
> My own experience with a single pair of crossed k9ay loops was that their
> principal benefit was a sharp null.  If an offending station happened to
> land within that null, it was useful.  Otherwise, it was not.  That led
> me to conclude that a single rotatable k9ay loop was better.
>
> At w2gd, the k9ay loop was far inferior to our beverages.  But having a
> phased array of them might be highly useful, particularly if they are
> steerable.
>
> n2ea at arrl.net
> op @ w2gd
>
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