[ct-user] "Stutter" in transmitted CW

[Dick Green]

I would venture a guess that the TS950SDX can't handle the simultaneous I/O
either, but the symptom is a command timeout instead of CW stutter -- 9.37
gives me harmless but annoying "Radio timeout..." messages while sending CW.
I assume this is because CT is trying to poll the radio at the same time it
is sending CW and the radio is either ignoring the command or losing the
response. I think your fix would solve that problem, too.

73, Dick, WC1M

-----Original Message-----
From: Ken Wolff <K1EA@contesting.com>
To: mrtoburen@sprintmail.com <mrtoburen@sprintmail.com>
Cc: CT-User <ct-user@contesting.com>
Date: Wednesday, November 11, 1998 6:57 PM
Subject: RE: [ct-user] "Stutter" in transmitted CW


>
>CT9.37 has gone to full duplex on the COM ports. That means CT will send
and
>receive simultaneously on the RS232 lines. Based on this, I think the 1000D
>(and others) can't handle RS232 send, RS232 receive and CW sending
>simultaneously.
>
>I now need to interlock CT to stop sending while data is arriving.
>
>- Ken
>
>***************************
>Ken Wolff  K1EA
>K1EA@contesting.com
>***************************
>
>-----Original Message-----
>From: MT [mailto:mrtoburen@sprintmail.com]
>Sent: Wednesday, November 11, 1998 2:31 AM
>To: 'Ken Wolff'
>Subject: RE: [ct-user] "Stutter" in transmitted CW
>
>I believe I was running from "real" DOS by selecting the "Restart in MS-DOS
>Mode" from Windows 98.  I should have added to my original post that I was
>keying with my Vibroplex paddle using the rig's internal keyer.  I did not
>have CT hooked up to key the rig.
>
>-----Original Message-----
>From: Ken Wolff [SMTP:K1EA@contesting.com]
>Sent: Tuesday, November 10, 1998 12:48 AM
>To: MT
>Subject: RE: [ct-user] "Stutter" in transmitted CW
>
>Were you running in a DOS box under Windows, or "real" DOS?
>
>Thanks - Ken
>
>
>***************************
>Ken Wolff  K1EA
>K1EA@contesting.com
>***************************
>
>-----Original Message-----
>From: owner-ct-user@contesting.com [mailto:owner-ct-user@contesting.com] On
>Behalf Of MT
>Sent: Tuesday, November 10, 1998 4:48 AM
>To: 'Hans Brakob'; ct-user@contesting.com
>Subject: RE: [ct-user] "Stutter" in transmitted CW
>
>
>I definitely had the same problem with CW stuttering.  I did not realize it
>until several hours into CW SS.  I thought that everyone was getting rusty
>receiving CW -- Hi Hi.  Once I figured out the problem, I had to disable
>radio polling to get the stuttering stopped.  Later in the contest, after
>the problem was fixed, a half dozen dupe stations called me.  It seems they
>must have incorrectly copied my call due to the stuttering!!!
>
>I was running 9.37, FT1000D, and Pentium II - 400.
>
>-----Original Message-----
>From: Hans Brakob [SMTP:k0hb@juno.com]
>Sent: Monday, November 09, 1998 1:39 PM
>To: ct-user@contesting.com
>Subject: [ct-user] "Stutter" in transmitted CW
>
>
>Switched from v9.31 to v9.37 just before SS.
>
>Never seen in previous versions, but 9.37 seemed to sometimes
>"stutter" on sent CW characters.....
>
>Not consistently, but often enough to be bothersome, it would mangle
>a character by inserting a "mini-pause" between character elements...
>
>...for example the number "0" might sound like "MO" because of a
>little glitch between the 2nd and 3rd dash, or "B" might be sent
>as "NI".  The pause is not enough for a "full" character break, but
>definitely confusing.  On average, I'd say the "stutter" occured
>once every 10-15 QSO's.
>
>I've used v8.xx, 9.20, 9.21, 9.31, and now 9.37.  This problem was
>NOT in these earlier versions I have used on this same computer
>(a venerable Compaq 486-33).
>
>73, Hans, K0HB
>
>
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