[Elecraft] SO2R recommendations

[Dave Hachadorian]

You can actually get along quite well without an SO2R box. 
Buying a Winkey USB would be a good start.  It gets you perfect 
CW keying, regardless of CPU load; PTT; and paddle keying; all 
for two radios.  The PTT works on all modes.  N1MM handles the 
radio switching.

For SSB, you can use a single sound card with left channel for 
left radio and right channel for right radio. N1MM handles all 
the switching.

For FSK keying, there are two good ways to go, with N1MM handling 
the switching:
1. MMTTY with two real com ports (you can buy a PCI or PCI-E 
card)
2. 2Tone with Arduino/TinyFSK on two USB ports.  It sounds like a 
big deal, but it's not really.

You will need to build a little box to handle earphone audio: LL, 
LR, RR.  In LR, a pot across the two can give you a variable 
blend.

Dave Hachadorian, K6LL
Yuma, AZ




-----Original Message----- 
From: Doug Ellmore
Sent: Tuesday, January 19, 2016 6:59 AM
To: elecraft at mailman.qth.net
Subject: [Elecraft] SO2R recommendations

Looking for recommendations for SO2R interfaces.  My plan is to 
use my K3
and KX3.  I use N1MM+ for contesting software.  Modes: 
CW/SSB/RTTY

I saw a kit (currently not available) from *k1xm.org/
<http://k1xm.org/>SO2R/*
<https://www.google.com/?gws_rd=ssl#>

DX Doubler from Top Ten: http://www.qth.com/topten/DXD.HTM
Microham devices: http://www.microham-usa.com/

Feedback and recommendation with interfacing the K3 and KX3 rigs 
and use
would be appreciated.

Doug NA1DX
doug at ellmore.net
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