WriteLog
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COM Port CW keying - REF:[WriteLog] Erratic CW

To: <writelog@contesting.com>
Subject: COM Port CW keying - REF:[WriteLog] Erratic CW
From: garry@ni6t.com (Garry Shapiro)
Date: Wed, 29 May 2002 02:18:04 -0000
Looks like switching to keying through a COM port should be the first thing
I try.

Garry

> -----Original Message-----
> From: writelog-admin@contesting.com
> [mailto:writelog-admin@contesting.com]On Behalf Of Don Hill AA5AU
> Sent: Tuesday, May 28, 2002 18:48
> To: Mailingliste Writelog
> Subject: COM Port CW keying - REF:[WriteLog] Erratic CW
>
>
> I have never had any problems keying CW from a serial COM
> port using WriteLog.  I use it for mainly for everyday CW work and
> have only used it in a handful of contests, but no problems incurred
> so far.
>
> It is very easy to do.  There is a simple diagram showing how
> to do CW, RTTY FSK and/or PTT from the same COM port
> on my personal website at http://www.aa5au.com/rttyinterface.html.
>
> If you have computer control of your radio, you don't need
> PTT.
>
> One thing to note and I don't know if this affected LPT keying,
> but you may have to extend the delay between PTT and CW keying.
> The first dit or dah was not sent before I extended the delay
> from 10 ms to 50 ms.  This is done from the Ports setup screen.
> I probably could have gotten away with something lower than 50 ms
> but I just tried 50 ms and it worked so stayed with it.
>
> 73, Don AA5AU
>
>
> ----- Original Message -----
> From: "Garry Shapiro" <garry@ni6t.com>
> To: "Carsten Steinhöfel" <carsten.steinhoefel@web.de>
> Cc: "Mailingliste Writelog" <writelog@contesting.com>
> Sent: Tuesday, May 28, 2002 12:57 PM
> Subject: RE: [WriteLog] Erratic CW
>
>
> > DL1EFD asked the question I asked myself after sending the summary last
> > night and was staring at the list of printer drivers running in the
> > background.
> >
> > I have six COM ports, having added two PCI cards, and several
> of these ports
> > are currently available. Does the group think CW problems are
> less likely if
> > a serial port is used?
> >
> > Garry, NI6T
> >
> > > > ...
> > > Background processes could sure be a problem, especially the
> printer etc.
> > > drivers which would obviously access the LPT port as well
> (and with higher
> > > priority then Writelog). Have you thought about using a COM
> port for CW?
> > > I have CW on the same port as radio control and never had
> erratic CW (on
> > > a 400MHz machine).
> > >
> > > 73 Carsten, DL1EFD
> > >
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> > >
> >
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> >
>
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