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Re: [TenTec] Where do the filters go

To: <tentec@contesting.com>
Subject: Re: [TenTec] Where do the filters go
From: "Tommy" <aldermant@alltel.net>
Reply-to: tentec@contesting.com
Date: Thu, 12 Aug 2004 23:47:39 -0400
List-post: <mailto:tentec@contesting.com>
I've never actually sat down and tested it that way Steve. What I mean by
QSK is can I be broken at what ever speed I happen to be running, be it 30
wpm or 90 wpm. Yes, to the Corsair 2 and an IC-781, and mostly no to the
rest of them. Heck, once I get over about 70 wpm, I'm  not conscious of dots
and dashes anymore, so guess you would have to say that for me, QSK just
means I can hear someone on the frequency no matter what speed I'm running.
Not very technical, but it works! The good guys at TT are going back into
the Plus to see what they can get for me!

Tom

----- Original Message -----
From: "Steve N4LQ" <n4lq@iglou.com>
To: <tentec@contesting.com>
Sent: Thursday, August 12, 2004 10:31 PM
Subject: Re: [TenTec] Where do the filters go


> Tom:
> Just to get some clarification on the QSK issue; When you say a rig won't
> run QSK above a certain speed, are you saying it won't key that fast or
that
> you can't hear between the characters or both?
> I had one of the original IC-706's and that thing would not only key at 60
> wpm but you could tune in on a steady carrier, key the dits at 60 wpm and
> hear a steady tone from that carrier in your speaker! Now that's what I
call
> fast QSK. Of course, chopping off 50% of the character certainly helped
but
> the recovery time was amazing. My IC-706MKII is much slower than this and
it
> still chops the characters just as bad.
> With the Omni 6+ I can tune in on a carrier and hold down the dits up to
> about 45-50wpm and still hear the carrier. After 50 wpm, the carrier
> suddenly drops off and nothing can be heard. Keying looks pretty good on
the
> scope right on up past 60 wpm after doing the little mod I mentioned.
>
> Steve N4LQ
> ----- Original Message -----
> From: "Tommy" <aldermant@alltel.net>
> To: <tentec@contesting.com>
> Sent: Thursday, August 12, 2004 10:15 PM
> Subject: Re: [TenTec] Where do the filters go
>
>
> >
> >
> >
> > > N1EU wrote:
> > >  >I tend to agree with W4BQF on the 2.4Khz 10-pole Inrad
> > > as being unnecessary.  However, the 1.8Khz filter
> > > could be helpful if the rig is used for ssb
> > > contesting.
> > >
> >
> > >          In my opinion, if you are a CW ONLY op, the only
> > > optional filter you would ever need is the Inrad 762.
> > > If you are also an SSB op, I would definitely add the
> > > 1800 filter (either the TT 218 or Inrad 761).  I used
> > > the TT 218 last October in the CQ WW SSB and would not
> > > be without it.  If you are a casual operator...no serious
> > > contesting, no heavy-duty low-band DX-ing, etc, you don't
> > > really need ANY optional roofing filters.
> > >
> > >                                          73,  Bill  W4ZV
> > >
> > Well, being a CW only op, I have to disagree with this just a little. My
> > Orion does not have the 1.8kc filter, so today when I received my 600hz
> > filter, I moved the 1kc filter into the empty 1.8kc position, put the
> 600hz
> > fliter into the 1kc position, and kept my 500hz and 250hz installed.
> > (Running v1.369 so I can switch the filters correctly and also so the
> Orion
> > does not crash while I'm using my Titan 3 in the Keying loop)
> >
> > I then used my Elecraft wide band noise generator and watched, using
> > Spetragram, as I switched the filters. One thing that showed me was how
> far
> > off I had my 500hz and 250hz filters adjusted. With the Orion,
Spectrgram
> is
> > an invaluable tool when used with a  wide band noise generator. You can
> SEE
> > exactly what's really happening with the filters, and when you adjust BW
> and
> > PBT....it's amazing how much your ear lies to you!! hihi.
> >
> > I've been listening on 40m and 20m since installing the 600hz filter and
> > readjusting the centering of the 500hz and 250hz filters and I must say
> it's
> > impressive. You dig very weak signals out of the QRN using the 250hz
> filter
> > AND PBT...and it works well. Using Spetragram, you  would be amazed to
> watch
> > the signal hold amplitude as the noise drops by some 50 dB when you
punch
> > the Noise Reduction button. Very impressive!! It's just too bad the
> Orion's
> > audio is so much more noisier that an Omni 6. The Orion does not handle
> > lightning crash static nearly as well as the Omni 6. (my opinion) And
just
> > in case anyone wonders,  no need to try to get your Omni 6 Plus NOR your
> > Orion to run full QSK at CW speeds over 40 wpm.
> >
> > The keying specs for the Omni 6 Plus and the Orion are for a keyer speed
> of
> > 60 wpm max. What Ten Tec has never mentioned, that I am aware, is that
> yes,
> > the keyer will run at 60 wpm, but that does not mean it will run with
full
> > QSK at ANY speed over 40 wpm. I was told by two different technical
folks
> at
> > Ten Tec yesterday that from the Omni 6 forward, the max guaranteed CW
QSK
> > speed is 40 wpm. Certainly the first time I've ever heard anyone from
Ten
> > Tec make this statement. Certainly makes me VERY SAD to watch the
company
> > that built it's present day reputation on continuiously building really
> top
> > notch CW rigs, go down to what they are putting out today.
> >
> > As the saying goes with stocks,  "Present or past performance is no
> > guarantee if future performance."
> >
> > Tom - W4BQF
> >
> >
> > _______________________________________________
> > TenTec mailing list
> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> >
>
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