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From: "mal hamilton" <g3kevmal@talktalk.net>
To: <rsgb_lf_group@blacksheep.org>
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Date: Sun, 17 Jan 2010 15:53:15 -0000
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Subject: Re: LF: Dirty carrier
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The sidebands spread 900 hz spaced each side of the carrier at 100 hz
intervals.The dirt has now gone, fault rectified.
g3kev

----- Original Message -----
From: "Graham" <g8fzk@g8fzk.fsnet.co.uk>
To: <rsgb_lf_group@blacksheep.org>
Sent: Sunday, January 17, 2010 3:44 PM
Subject: Re: LF: Dirty carrier


> Carrier  is  30  db over the  noise floor at Liverpool , no hum lines
> showing,
> only  modulation  spread , nothing  showing at  Birmingham either
> > http://www.wireless.org.uk/grab/
>
> If it  was  100 Hz hum , then the  side bands  would be  , 503.900   and
> 504.100 ..  that was the  reason for  picking  502.4 as the  wspr
frequency
> to  make use of the  100  Hz window under 504 ..
>
> G ..
>
> --------------------------------------------------
> From: "mal hamilton" <g3kevmal@talktalk.net>
> Sent: Sunday, January 17, 2010 3:05 PM
> To: <rsgb_lf_group@blacksheep.org>
> Subject: Re: LF: Dirty carrier
>
> >
> > I think it is a problem with RTE 2nd harmonic 100 hz hum on the carrier
> > 503.4 K/cs
> > de mal/g3kev
> >
> > ----- Original Message -----
> > From: "James Moritz" <james.moritz@btopenworld.com>
> > To: <rsgb_lf_group@blacksheep.org>
> > Sent: Friday, January 15, 2010 5:50 PM
> > Subject: Re: LF: Dirty carrier
> >
> >
> >> Dear Mal, LF Group,
> >>
> >> Nothing unusual visible/audible here...
> >>
> >> Cheers, Jim Moritz
> >> 73 de M0BMU
> >>
> >>
> >
> >
> >
>
>
>