On Tue, 07 Jul 2009 15:39:38 -0400, Jack Smith wrote:

>Of course if one does not wish to perform surgery on the K3, it would  
>be possible to set up a 3-dimensional Helmholtz coil around the K3 fed 
>with 50 or 60 Hz line voltage and adjust the X, Y and Z Helmholtz drive 
>(level and phase) to null the ambient field at the offending transformer(s).

I just love KISS solutions. 

73,

Jim K9YC


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