The 91B, and the 99 are mechanical vacuum relay switched, and they work
perfectly with the Ten-Tec keying loop. Have been using mine that way on
an Omni VI+ and Orion for some time.
73, Duane
On Mon, 24 May 2004 21:04:42 +0000 ac5e@comcast.net writes:
> Hi Bob, I guess I will have to re-read what I wrote. Sometimes with
> two grandkids, two dogs, and Kritter the hamshack cat buzzing around
> what I write does not come out all that clearly. Especially because
> the five pets suffer more or less from jealosy.
>
> But the ONLY way I ever used the 87A is with the single shielded
> cable from the Orion to the Alpha, with keying loop off.
>
> I have no experience with the 91B, but my comments should have read
> that IF the 91B switches as fast as the 87A the only thing you need
> is a shielded cable. There are other ways of doing things, but
> that's what I try first on any amplifier and it usually works quite
> well.
>
> 73 Pete Allen AC5E
>
> --
> Never squat with your spurs on
>
>
> > Pete
> >
> > I'm flumoxed by your comment on the 87A. The 87A is as fast a QSK
> amp
> > as I've ever seen. It's awful with Ten Tec loop keying, because
> it
> > switches too fast for it. My 87A with my Orion is good to better
> than
> > 100wpm, not that I send that fast. When loop keyed it clips the
> > tail-end of character elements and is awful even at 18wpm.
> Doesn't the
> > Titan still use a vacuum relay, which is why it needs loop keying
> in the
> > first place.
> >
> > Bob, 5B4AGN, P3F
> >
> >
> > ac5e@comcast.net wrote:
> >
> > >Hi Lee; I suspect it will depends bit on just how fast you
> operate. If the 91's
> > keying is as fast as the 87A you won't have much if any
> degredation in the QSK.
> > Of course, I could tell the difference when I sent an exchange to
> some of the
> > 40+ DX stations, but for normal keying up to 30 WPM the 87A is as
> good as the
> > Titan that lives on the shelf below it.
> > >
> > >73 Pete Allen AC5E
> > >
> > >--
> > >Never squat with your spurs on
> > >
> > >
> > >
> > >
> > >>Hello gang,
> > >>
> > >>I have an Orion currently using it with a TT Centaur. Works well
> full QSK.
> > >>
> > >>I have an opportunity to get an Alpha 91B for a good price.
> > >>
> > >>Looking at the Alpha I see it does nor suppport the full keying
> loop like the
> > >>TT amps.
> > >>So, what do I need to do to hook the Orion to the Alpha for full
> QSK?
> > >>Any less function than a TT amp?
> > >>
> > >>Thanks,
> > >>Lee, KC9CDT
> > >>_______________________________________________
> > >>TenTec mailing list
> > >>TenTec@contesting.com
> > >>http://lists.contesting.com/mailman/listinfo/tentec
> > >>
> > >>
> > >_______________________________________________
> > >TenTec mailing list
> > >TenTec@contesting.com
> > >http://lists.contesting.com/mailman/listinfo/tentec
> > >
> > >
> > >
> >
> >
> >
> > _______________________________________________
> > TenTec mailing list
> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
>
--------------------------------------
Duane Calvin, AC5AA
Austin, Texas
http://home.austin.rr.com/ac5aa
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|