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Topband: Fwd: Wellbrook receive loop performance

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Subject: Topband: Fwd: Wellbrook receive loop performance
From: Gary and Kathleen Pearse <pearse@gci.net>
Date: Wed, 11 Apr 2012 15:06:53 -0800
List-post: <topband@contesting.com">mailto:topband@contesting.com>
> 
> I've had a Wellbrook 1530 loop up for a few years on a rotator at about 20' 
> It excels on a small city lot in nulling local noise sources off its sides. 
> Far better than the MFJ and ANC noise nuller boxes and sense antennas I have 
> used on 80 and 160. Legal limit 75' away on 160 hasn't killed it yet. I do 
> have the rotator control cable and coax common-mode suppressed with ferrite 
> cores at both ends. I get no RF feed back in the shack via the device.
> 
> If the desired signal and noise sources coincide (for example there's a 
> powerline 60' away between me and EU), it still provides a better S/N than my 
> Inv-L in that direction. 
> 
> 73, Gary NL7Y  
> 

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