Message-ID: <38B273BC.50EBF2D@phonakcom.ch>
Date: Tue, 22 Feb 2000 03:32:12 -0800
From: "Toni Baertschi" <tonib@phonakcom.ch>
Organization: Phonak Communications AG
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To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: DX Cluster spots for Feb 19/20 on GB7DXM
References: <E12Ms6f-0004WO-00@mserv1b.u-net.net>
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>>From HB9ASB, JN36pt

Hello Mike,
I did not recognize any instability during my QSO with Cesare. But It was
the first time I heard him and maybe the problem was cured in the meantime

73 de Toni

Mike Dennison wrote:

> Alan, G3NYK wrote:
> >   HB2ASB QRS calling 15TGC pulled all stops out but no signs of
> > Cesare here (.685 to .770)
>
> To Alan,
>
> Cesare appears to have a rather interesting oscillator - a bit like the
> one I used to use. So his transmission drifts and wobbles by a few
> Hz. This has the advantage that it is easily recognised, but the
> disadvantage that the averaging on the DSP is not fully realised.
>
> To Cesare,
>
> It would help your signal if you could make it more stable.
> Successful oscillators include divided down crystals, synthesisers
> and mixed VXOs. There are some oscillator circuits referenced from
> my Links web page.
>
> I can't claim any success for my stability improvements - they are all
> down the generosity of David, G0MRF, who built the synthesiser I
> use, but it does make a difference.
>
> Mike, G3XDV (IO91VT)
> http://www.dennison.demon.co.uk/activity.htm