[Elecraft] OT: Anyone use a noise canceller?

[David Cutter]

Bob

Wonder if you (or anyone) has mixed the outputs from 2 or more noise 
cancellers, perhaps using different antennas for each.

David
G3UNA


----- Original Message ----- 
From: "Robert Tellefsen" <n6wg at comcast.net>
To: "Mark Hampton" <area.x1 at btinternet.com>; "Elecraft list" 
<elecraft at mailman.qth.net>
Sent: Saturday, September 22, 2007 2:36 PM
Subject: Re: [Elecraft] OT: Anyone use a noise canceller?


> Hi Mark
> If you cannot locate the noise source, can you at least
> determine it's direction from you?  A simple untuned
> loop should allow you to do that.
> An antenna noice canceller (ANC) works best if you
> can get a pickup antena as close as possible to the
> source, relative to the communication antenna, even
> if it is just to the edge of your property.
> I have both the ANC-4 and the MFJ-1026, and they
> both work well on a single noise source.  They can't
> cope with multiple noise sources, though, or a single
> source spread out over an area, such a power line
> that is radiating along its length.
> Good luck and 73
> Bob N6WG
>
> ----- Original Message -----
> From: "Mark Hampton" <area.x1 at btinternet.com>
> To: "Elecraft list" <elecraft at mailman.qth.net>
> Sent: Saturday, September 22, 2007 3:39 AM
> Subject: [Elecraft] OT: Anyone use a noise canceller?
>
>
> Hi all,
>        I have a S-9 noise level across the bands and despite some 
> detective
> work, I have been unable to locate the source.
>
> I feel that I may have to resort to using a noise canceller in order to 
> use
> the bands at the home QTH.
>
> Before I purchase one, I'm wondering if any of the subscribers to this 
> list
> use one and if so, how effective are they?
>
> Apologies for the off-topic post but I though I'd canvass opinions before 
> I
> buy one.
>
> Thanks, Mark M5MDH
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