[Dx4win] Keying problem

[Tom Branch]

John,

Yep--RF on the keying line.  Try  putting some ferrite beads on the line
near the PC end and it should go away!

73 de Tom, K4NR

----- Original Message ----- 
From: "John Kjos" <w9rpm@qth.com>
To: "DX4WIN" <dx4win@mailman.qth.net>; "RFI" <rfi@contesting.com>
Sent: Sunday, February 22, 2004 5:07 PM
Subject: [Dx4win] Keying problem


> Hi, I am using the printer port on my computer for CW keying during
> contests. On 20 meters I am having some sort of problem. When I try and
send
> CW via the computer it locks the radio into transmit without sending
> anything, just a carrier. As soon as I pull the cable out of the keying
> jack, it stops. I am sure it is a RF problem somehow, as it only does it
> with the amp in line running 1KW. 200 watts out of the radio it is fine.
Any
> suggestions on a remedy? Thanks- John W9RPM