Re: [IRCA] MFJ1025

["Mark Durenberger" <Mark4@xxxxxxxxxxxxxxx>]

I've had the same sort of good experience using a pair of Kiwa Pocket Loops 
with the (modified) 1025.

Regards,

Mark Durenberger

--------------------------------------------------
From: "Michael Yule" <michaelyule@xxxxxxx>
Sent: Friday, February 11, 2011 10:56 PM
To: <irca@xxxxxxxxxxxxxxxx>
Subject: [IRCA] MFJ1025

> Hi all - Using my KIWA hot-rodded ICF2010 (new wide filter, audio upgrade) 
> and Steve Ratzlaff modified MFJ1025 (thanks Steve!) in conjunction with an 
> ALA330S (main antenna) and Quantum2+ (auxiliary antenna). It was suggested 
> that the 1025 wouldn't work properly with 2 loops, but my experience has 
> been really positive. I don't have any room to put up a longwire for noise 
> anyway, so this is what I had to use, and am making the best of it. In 
> general they work VERY well together. In fact, I think that in some cases 
> I can get a lot better nulls using the 2 loops than I could if I was using 
> a longwire for the noise antenna, because I can adjust the Q2+ a few 
> degrees either way after I've achieved the best null I can using the 
> controls and often zero out the target I want. Interestingly I note that 
> the null position changes over time, especially on nulls that are on 
> stations a few hundred km away. Anyway, my experience is that 2 loops DO 
> work on the 1025. The only caveat I might s!
> ay is that I imagine that I will have a hard time reproducing particular 
> radiation pattern, because there are so many variables a/w using a loop as 
> a noise antenna. For instance I can adjust the inclination as well as the 
> rotational position, neither of which is possible with a longwire.
>
> An example of its effectiveness is this log I made today - there have been 
> a number of others:
>
> 820 kHz WBAP Fort Worth Texas 0500, full ID at TOH after nulling KGNW 
> Burien-Seattle. No trace of WBAP until the null was done. This is 2800+ km 
> from my QTH in Vancouver, Canada. Faded down into the dust quite quickly 
> after the ID, but up and down again in bursts over the next half hour.
>
> Thanks
>
> Michael
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