All this goes back to the phase noise introduced by PLL circuits and the
steps we've gone through to reduce it.
Having owned a pair of OMNI-Ds with the same low noise reciever, it's hard
to adjust to newer rigs, The Orion was really the only rig that convinced
me to let go of the OMNI-D's
Best wishes,
Rich
K5SF
>From: Tom Badgett <tbadgett@synergysouth.com>
>Reply-To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
>To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
>Subject: Re: [TenTec] comparing ten tec transceivers to ten tec
>transceivers
>Date: Sun, 15 May 2005 21:09:41 -0400
>
>Interesting comparison.
>
>I don't have other Ten Tec (or anything else) to compare with right
>now, but I do know that my Argo V receiver seems really hot. The last
>rig I owned was an old Icom 735 and the Argo is certainly steps above
>that.
>
>73,
>
>Tom
>K4NOX
>
>
>On May 15, 2005, at 2:03 PM, Mike Bryce wrote:
>
> > hola..
> >
> > yesterday I had some extra goof off time in the shack.
> >
> > I connected my Jupiter, Argonaut V and an old Ten Tec Delta II to the
> > same antenna via a coax switch.
> >
> > I found a weak signal on 18.156.10 mHz.
> >
> > tuned all three to the same frequency. Here's what I noticed.
> >
> > The jupiter could just barely hear the signal. No s-meter at all. The
> > audio had to be up to 96% to hear the guy. At normal operating audio
> > levels, you would have tuned right through this station not knowing he
> > was on the the air.
> >
> > The Argonaut V was showing a solid S-3 signal and you could hear and
> > understand every word he said
> >
> > The Delta II knew the something was there, but you could not get enough
> > audio to understand what was being said.
> >
> > SInce the audio drive on the Jupiter had to be up to almost 100% to
> > recover audio, had this signal been CW, the sidetone would have made
> > your ears bleed without turning the audio drive down first. That would
> > have been most unpleasant.
> >
> > I was surprised how well the Argonaut V heard the same station.
> > Especially when you consider the Argonaut V is alleged to have the same
> > basic receiver design as the Jupiter.
> >
> > I was also surprised how badly the Delta II did.
> >
> > I do not own any Icom, Kenwood, or Yaesu equipment to compare my ten
> > tec radios with using the same test.
> >
> > I do know, the Jupiter's receiver performance is a real let down on
> > anything above 14 mHz.
> >
> > It sure would be nice to see ten tec come out with something better
> > than the Jupiter, but less than the Orion.
> >
> > mike, wb8vge
> >
> > Mike, WB8VGE
> > SunLight Energy Systems
> > The Heathkit Shop
> >
> > http://www.seslogic.com
> > http://www.theheathkitshop.com/
> > _______________________________________________
> > TenTec mailing list
> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> >
>
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