[TRLog] Parallel Port CW Keying Troubles

[Ron Angle]

-----Original Message-----
From:	Bob Wolbert, K6XX [SMTP:k6xx@jps.net]
Sent:	Wednesday, October 18, 2000 10:34 PM
To:	trlog@contesting.com
Subject:	RE: [TRLog] Parallel Port CW Keying Troubles


I'll second Dave's observations... when operating portable, with poor
grounds, etc., the serial output will reliably key the rig when the 
parallel
port key output locks up. I have yet to lash up a station with such 
horrible
grounding that the serial port latches!
[Ron Angle K6KYJ]  During the CQ-P, I used a Hertz (end fed) and had 
initial lockup problems with the parallel port board.  I shortened all of 
my ground leads to the minimum length, clipped a ground lead to a chassis 
nut on the CPU, and slightly moved the XCVR.  Problem cleared up. Next year 
I am going to try an artificial ground system.  I usually also take along a 
hand full of clamp on RF chokes from Radio Shack; sometimes they help 
dramatically.
>>>>>>>>>>>>

If you are unable to solve the parallel port problem, you can do
rig control AND cw keying from the one serial port. In fact, I have
found that the serial port is more immune to rfi than the parallel
port, so it is my preferred hookup.

Dave Hachadorian, K6LL
Yuma, AZ
K6LL@juno.com

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