I run the Acom 1000 with my Orion. I use the TXOut line of the Orion to the
Acom key in line. I then connect the Acom key out to my Orion TXEN. This
results in perfectly timed full QSK with the Orion and Acom 1000. This
works well with Orion firmware 1.371.
Carl Moreschi N4PY
Franklinton, North Carolina
n4py@earthlink.net
----- Original Message -----
From: "Bob Henderson" <bob@cytanet.com.cy>
To: <tentec@contesting.com>
Sent: Tuesday, August 10, 2004 8:37 PM
Subject: Re: [TenTec] dit chopper IC-7800
> Duane
>
> I have been running full QSK for almost 30 years. I have never used a
> keying loop with my amps and I don't have hot switching problems.
> Currently, I have two Orions, one drives an Alpha 87A and the other an
Acom
> 1000. The 87A is pin diode switched but the Acom uses a vacuum relay.
Both
> amps are controlled with direct connections from the Amp Key 1 outputs of
> the Orions.
>
> With apologies for mentioning the unmentionable..........I have previously
> used these amps successfully in QSK with TS930, TS870, TS950, TS570,
> FT100MP, FT1000MP Mk V Field, & Elecraft K2. The only radio I have which
> will not work well without modification is my Omni VI+. The VI+ doesn't
QSK
> properly with these amps whether I use a loop circuit or not. The only
way
> I have been able to get either of these amps to work properly in QSK with
> the VI+ is by retiming the TX Out signal from the VI+. TX Out from the
Omni
> VI+ is enabled in a timely fashion on key down so there is no leading edge
> problem but it is disabled about 15-20mS too soon and so causes tail end
> clipping big style. The loop circuit on the VI+ appears timed
specifically
> for Ten Tec amps.
>
> Bob, 5B4AGN
>
>
> ----- Original Message -----
> From: "Duane A Calvin" <ac5aa@juno.com>
> To: <tentec@contesting.com>
> Sent: Tuesday, August 10, 2004 7:44 PM
> Subject: Re: [TenTec] dit chopper IC-7800
>
>
> > Hi Tommy,
> > I don't understand your comment - how can it run full QSK
without
> > a keying loop for the amp? Either something is hot switching, has the
> > potential to, or it's not really running full QSK. Maybe I don't
> > understand the comment. (Or, maybe the rig is QSK but the amp isn't -
it
> > stays in transmit?) My Orion runs full QSK fine with my Alpha 99, but I
> > don't know at what speed it breaks down. Certainly does well at 40 WPM,
> > which is about as fast as I go.
> >
> > 73, Duane
> >
> > On Tue, 10 Aug 2004 13:45:09 -0400 "Tommy" <aldermant@alltel.net>
writes:
> > > That's OK Rick, I understand.
> > >
> > > Unfortunately, I think Ten Tec has taken your exact track on the
> > > amplifier/QSK issue. The Orion, with the latest versions of
> > > firmware, v1.371
> > > and v1.370, will not work with the Ten Tec Titan 3. Maybe someday?
> > > But as
> > > you say, high speed CW ops are an extremely small minority of active
> > > hams
> > > and marketing types don't think there are enough sales (and
> > > rightfully so)
> > > to worry about that issue or operating the rig in the CW mode much
> > > over
> > > about 50 wpm. However, since you do not need a keying loop to run
> > > full QSK
> > > with Icom gear, that IC-7800 running at 80 wpm last night sure did
> > > sound
> > > excellent.
> > >
> > > Tom - W4BQF
> > >>
> >
> >
> > Duane Calvin, AC5AA
> > Austin, Texas
> > _______________________________________________
> > TenTec mailing list
> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> >
>
>
> _______________________________________________
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> TenTec@contesting.com
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