Re: [TenTec] OMNI6+ SSB transmit quality - HELP!

["Fraser Robertson" <g4bjm@hotmail.com>]

Thank you Don.

My main email is f.g.robertson@open.ac.uk

or I also check g4bjm@hotmail.com

161 Fraser G4BJM


> From: "Donald Watters" <dwatters@ns.sympatico.ca>
> Reply-To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Subject: Re: [TenTec] OMNI6+ SSB transmit quality - HELP!
> Date: Wed, 5 Jul 2006 12:03:48 -0300
>
> Fraser -
>
> What is your current email address?  Have some info for you
>
> 161 -  Don, VE1BN  dwatters@ns.sympatico.ca
>
>
> ----- Original Message -----
> From: "Fraser Robertson" <g4bjm@hotmail.com>
> To: <tentec@contesting.com>
> Sent: Tuesday, July 04, 2006 5:56 PM
> Subject: [TenTec] OMNI6+ SSB transmit quality - HELP!
>
>
> > Hi all, is possible to transmit good quality SSB from this rig?  I get
> > reports of muffled audio.  Listening on another RX I know what they 
> mean.
> >
> > I've re-aligned the driver & pa bias, carrier oscillators etc.  I've
> > isolated the mic ground as by design  it shares the PTT ground and 
> digital
> > noise was getting into the mic amp.
> >
> > With a two tone test the signal looks ok on a scope and spectrum 
> analyser
> > (products 26dB and 38dB down).
> >
> > I've tried different power supplies, different mics and audio sources.
> >
> > It sounds reasonable on receive, to me anyway, and works well on CW.
> >
> > The rig has the stock filters fitted.  A friend has the Inrad SSB filter
> > and
> > says he gets muffled audio reports too.
> >
> > I've ruled out RF feedback and am running out of ideas.  Any advice 
> would
> > be
> > appreciated.  The audio is readable but not crisp clear quality.  (The 
> rig
> > is an upgraded Omni6).
> >
> > Thanks / 73 Fraser G4BJM
> >
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