[TenTec] dit chopper IC-7800

[Bob Henderson]

Carl

I guess if yours works fine that way, mine would too.  Then again, it works
just fine without needing the loop.

Bob, 5B4AGN

----- Original Message ----- 
From: "Carl Moreschi" <n4py at earthlink.net>
To: <tentec at contesting.com>
Sent: Tuesday, August 10, 2004 9:28 PM
Subject: Re: [TenTec] dit chopper IC-7800


> 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 at earthlink.net
> ----- Original Message -----
> From: "Bob Henderson" <bob at cytanet.com.cy>
> To: <tentec at 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 at juno.com>
> > To: <tentec at 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 at 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 at contesting.com
> > > http://lists.contesting.com/mailman/listinfo/tentec
> > >
> >
> >
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