Tom:
Too many dits per second causes buffer overrun in the newer firmware. Hows
that for a guess?
Steve N4LQ
----- Original Message -----
From: "Tommy" <aldermant@alltel.net>
To: <tentec@contesting.com>
Sent: Tuesday, August 10, 2004 7:34 PM
Subject: Re: [TenTec] dit chopper IC-7800
> Hmmmm....my statements may be somewhat misleading or incomplete! The Orion
> will handle full QSK with the Titan 3. However with the Titan 3 in the
> Keying Loop of the Orion, and running v1.371, the Orion will randomly
either
> lose RF output power or will randomly lose the rcvr (signals drop out
almost
> completely) and the audio from the Orion. Dropping back to v1.369 and
this
> function works OK. I've made sure this is fully documented with
> rfsquared.com . I presently have two Orions and they both perform the same
> way.
>
> It is not that the Orion will not handle full QSK, it is the above
mentioned
> random glitches that happen ONLY when the Titan 3 is in either Keying Loop
> #1 or #2.
>
> The Titan 3 operates excellent full QSK with both an Omin 6 and an Omni 6
> Plus and a modified Corsair 2. I have been running the Titan 3 with my old
> Omni 6 for the past two weeks and they both work flawless.
>
> Tom - W4BQF
>
>
> ----- Original Message -----
> From: "Bob Henderson" <bob@cytanet.com.cy>
> To: <tentec@contesting.com>
> Sent: Tuesday, August 10, 2004 6:22 PM
> Subject: Re: [TenTec] dit chopper IC-7800
>
>
> > This is interesting. As I said the Omni VI+ doesn't work well in QSK
with
> > the 87A or the Acom whether loop connected or not and that's due to the
> way
> > TX Out on the VI+ is timed. If the Orion really works properly in loop
> mode
> > with the Acom 1000 and the Alpha 89 then that suggests that the Orion
> timing
> > for TX Out is different to the VI+.
> >
> > Could this be the reason Ten Tec amplifier owners using Orions are
> > complaining about the QSK not working well? It sorta seems to me if the
> > Orion is correctly timed for QSK loop connect with the Acom and the
Alpha
> > then it can't be for the Ten Tec amps which use the sequenced relays.
> >
> > As I say....that's the way it seems to me.
> >
> > Bob, 5B4AGN
> >
> >
> >
> > ----- Original Message -----
> > From: "Duane A Calvin" <ac5aa@juno.com>
> > To: <n4py@earthlink.net>; <tentec@contesting.com>
> > Sent: Tuesday, August 10, 2004 9:36 PM
> > Subject: Re: [TenTec] dit chopper IC-7800
> >
> >
> > > And this is how I have my Alpha 99 connected. Also works great on
> 1.371.
> > >
> > > 73, Duane
> > >
> > >
> > > On Tue, 10 Aug 2004 21:28:12 -0000 "Carl Moreschi"
<n4py@earthlink.net>
> > > writes:
> > > > 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
> > > > > > _______________________________________________
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> > > > > >
> > > > >
> > > > >
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> > > >
> > > >
> > >
> > >
> > > Duane Calvin, AC5AA
> > > Austin, Texas
> > > _______________________________________________
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> > > TenTec@contesting.com
> > > http://lists.contesting.com/mailman/listinfo/tentec
> > >
> >
> >
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