[600MRG] QEX Noise Canceller

[Marshall Cross]

Then why not use the same antenna with a splitter?

Sent from my iPhone

> On Mar 30, 2015, at 12:32 PM, Kenneth G. Gordon <kgordon2006 at frontier.com> wrote:
> 
>> On 30 Mar 2015 at 8:56, Frank Lotito wrote:
>> 
>> Has anyone tried the noise canceller circuit presented in the Jan / Feb 2012
>> issue of QEX? Specifically, for the 600 / 630 meter bands?  The article by Fred
>> Brown, W6HPH, is titled "End Man-Made Noise with the Noise Canceller," pages 12
>> through 14.  The author alludes to tailoring the design for the frequency band
>> of interest.  The QEX article presents a 75 meter design.
>> 
>> 73 Frank K3DZ / WH2XHA   
> 
> Frank (and others):
> 
> There was a truly excellent article in Electric Radio Magazine for February 
> 2014 on noise cancellers by Mike Murphy WU2D.
> 
> The final unit he described both reduced his own noise level by +25 dB and 
> is adaptable, easily, to any band or frequency.
> 
> He made the point that for any noise canceller, the only really effective 
> "noise antenna" is an exact duplicate of your normal receiving antenna.
> 
> Mike is quite a character and is very talented. I sometimes wish he was a 
> member of this forum.
> 
> Ken W7EKB
> 
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