[WriteLog] LPT ports

[Dave Hachadorian]

On Sat, 07 Jul 2001 12:35:29 +0100 Clive Whelan
<clive@gw3njw.fsworld.co.uk> writes:
> 
> I am more than a little miffed to find that WL only supports a 
> single LPT port, which seems to mean that I will not be able to 
> use the prog at present.
> 
> I presently use TRlog and have two radios configured on 
> COM1/LPT1( keying)  and the other on COM4/LPT3(keying), and use 
> this in SO2R.
> 
> I just cannot see why only one LPT port is allowed.
> 
> Anybody see a solution to my problem?

I see two solutions:

1. Do cw keying and rig control on the same serial port.

2. Use the A/B signal on the one LPT port to drive a spdt relay,
(through an npn transistor relay driver) to direct the LPT keying
to the proper radio.

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

--
WWW:                      http://www.writelog.com/
Submissions:              writelog@contesting.com
Administrative requests:  writelog-REQUEST@contesting.com
Problems:                 owner-writelog@contesting.com