[CQ-Contest] Ic 706 Mark 11 and Writelog for NAQP CW
John T. Laney III
k4bai at worldnet.att.net
Thu Aug 2 20:23:40 EDT 2007
>I have a fairly modern day computer, 3.1ghz w/1024 ram running XP. I have
>absolutely no cw keying problems. I still have the original serial adapter I
>built in the late 80's and it works just fine but I don't use it anymore. I
>use CT for contesting and it keys through the LPT1 port. For day-to-day
>DX'ing I use CW Type for CW operation though LPT1. I bought the LPT port
>adapter years ago from some W1(I think). Over the years I've had 2 Icom
>rigs and now the MKV. I use the serial port for rig control. I do have beads
>on every cable in/out of my computer(It makes me feel warm/fuzzie).
>BULLHEAD CITY, AZ
> ----- Original Message -----
> From: Rex Maner
> To: Hal Kennedy ; CQ-CONTEST
> Sent: Thursday, August 02, 2007 1:26
> Subject: Re: [CQ-Contest] Ic 706 Mark 11 and Writelog for NAQP CW
> Quack Quack's
> I still have an old 486 with windows 3.1 and it does just fine with
> NA and the LPT port.
> I'm using for everyday and current use N1MM . a Compaq 3400+ AMD with
> ram and strait out of Lpt with single transistor ckt that I can take out
> use on the old 486 box and can't hear any differance in the keyed CW,
> however I am not an probably never will be one of the 50 WPMers.
> ----- Original Message -----
> From: "Hal Kennedy" <halken at comcast.net>
> To: "CQ-Contest" <cq-contest at contesting.com>
> Sent: Wednesday, August 01, 2007 5:00 PM
> Subject: [CQ-Contest] Ic 706 Mark 11 and Writelog for NAQP CW
> > >Smooth CW is essentially impossible from software to I/O port due to
> >>CPU constantly interrupting the CW stream to service interrupt calls.
> > This is folklore and simply incorrect. I'm with K7SV and the hundreds
> > (thousands??) of us who key just fine under Windows with a 1 transistor
> > level shifter.
> > I've run Writelog, N1MM and WinTest on four different Windows desktops
> > running everything from an original Pentium-75 with Windows 95 to a
> > blazing
> > XP machine, as well as on four different notebooks - all with smooth
> > keying
> > up to 50 WPM out of LPT1 and out of COM1 (and I don't mean COM1 driving
> > data stream to an external keyer - I mean CW keying straight out of
> > All that's needed is to turn off unnecessary software running in the
> > background that is causing unnecessary interrupts.
> > Hal - N4GG
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In N7MAL's message, I'm sure the "some W1" is Jack, W1WEF. I am pretty
sure he still sells the interfaces. I bought one for the COM port and
one for the LPT port from him a few years ago at Dayton. 73, John, K4BAI.
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