[Lowfer] Chris : Thank you for the info on noise nulling

Andy - KU4XR ku4xr at yahoo.com
Mon Sep 28 10:18:47 EDT 2009


Chris:

I saved both articles. I appreciate you info. I am mainly looking
into lowering the lightening static, and was looking for info on
using 2 antennas with a phasing unit to cancel out the noise.
After a lot of searching; I did find some homebrew circuits.

73 to all :::

Andy - KU4XR - EM75xr - Friendsville, TN.
LOWfer Beacon " XR " @ 184.322 KHz ( QRSS-60 )
Coordinates:  N:  35* 43' 54" - W:  84* 3' 16"
http://www.myspace.com/beaconxr


--- On Sat, 9/26/09, Chris Trask <christrask at earthlink.net> wrote:

> From: Chris Trask <christrask at earthlink.net>
> Subject: Re: [Lowfer] would appreciate info on noise nulling
> To: "Discussion of the Lowfer (US, European, & UK) and MedFer bands" <lowfer at mailman.qth.net>
> Date: Saturday, September 26, 2009, 6:01 PM
> >
> > I've been searching the net to no avail. Only
> references to
> > commercial units. Will someone link me to a good
> resource for
> > homebrewed noise cancelling / nulling ant. setups ?
> >
> 
>     What sort of noise?  Here's a monologue
> I wrote about low-frequency
> noise:
> 
>     http://www.home.earthlink.net/~christrask/Paper013.html
> 
> and a circuit I came up with for dealing with impulse
> noise:
> 
>     http://www.home.earthlink.net/~christrask/Paper020.html
> 
> Chris
> 
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