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Topband: BAD OT:Phase noise *** RE: digital on 1838 +/-

To: <topband@contesting.com>
Subject: Topband: BAD OT:Phase noise *** RE: digital on 1838 +/-
From: MIKE DURKIN <patriot121@msn.com>
Date: Fri, 30 Dec 2011 21:08:38 -0800
List-post: <topband@contesting.com">mailto:topband@contesting.com>
Don't you mean IMD from the radio/amp driven past ALC?

CW is a binary signal and no one complains of its "phase noise" ..... 

Mike KC7NOA 

> From: n4is@comcast.net
> To: wa3mej@comcast.net; topband@contesting.com
> Date: Fri, 30 Dec 2011 22:59:09 -0500
> Subject: Re: Topband: digital on 1838 +/-
> 
> 
> 
> -----Original Message-----
> From: topband-bounces@contesting.com [mailto:topband-bounces@contesting.com] 
> On Behalf Of wa3mej@comcast.net
> Sent: Friday, December 30, 2011 10:47 PM
> To: topband@contesting.com
> Subject: Re: Topband: digital on 1838 +/-
> 
> 
> Jim
> 
> >>>Consider this however, CW and digital modes like JT65 typically share the 
> >>>CW portion of the bands<<<.  
> 
> That is not the case on weak signal bands, and in special 6m, digital modes 
> are above 50.250 MHz, there is a clear reason for that, digital is not a 
> narrow mode, there are phase noises that  can trash the band.
> 
> 
> Regards
> Jose Carlos
> N4IS
>  
> 
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
                                          
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UR RST IS ... ... ..9 QSB QSB - hw? BK

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