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Re: [CQ-Contest] Ic 706 Mark 11 and Writelog for NAQP CW

To: N7MAL <N7MAL@CITLINK.NET>
Subject: Re: [CQ-Contest] Ic 706 Mark 11 and Writelog for NAQP CW
From: "John T. Laney III" <k4bai@worldnet.att.net>
Date: Thu, 02 Aug 2007 20:23:40 -0400
List-post: <mailto:cq-contest@contesting.com>
N7MAL wrote:

>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).
>
>MAL
>N7MAL
>BULLHEAD CITY, AZ
>http://www.n7mal.com
>
>  ----- 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 
>keying
>  NA and the LPT port.
>
>  I'm using for everyday and current use N1MM . a Compaq  3400+ AMD  with 
>512
>  ram and strait out of Lpt with single transistor ckt that I can take out 
>and
>  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.
>
>  Q
>
>
>
>
>  ----- Original Message ----- 
>  From: "Hal Kennedy" <halken@comcast.net>
>  To: "CQ-Contest" <cq-contest@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 
>the
>  >>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 
>a
>  > data stream to an external keyer - I mean CW keying straight out of 
>COM1).
>  > 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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>  > CQ-Contest@contesting.com
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>  >
>  >
>  >
>  > -- 
>  > No virus found in this incoming message.
>  > Checked by AVG Free Edition.
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>7/30/2007
>  > 5:02 PM
>  >
>  >
>
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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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