SO2R recommendations

[Doug Ellmore Sr.]

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
[hidden email]
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[Joe Subich, W4TV-4]

DXDoubler is controlled by a parallel port and uses "PC generated" CW
on the parallel port.  micro2R is controlled by USB and includes a K1EL
Winkey 2 chip for CW generation otherwise they are functionally similar
in terms for mic/CW/PTT/headphone switching.

73,

    ... Joe, W4TV


On 1/19/2016 8:59 AM, Doug Ellmore wrote:

> 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
> [hidden email]
> ______________________________________________________________
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>

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[Dave Hachadorian-2]

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: [hidden email]
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
[hidden email]
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You can also use two separate computers for sending CW & RTTY.

For headphone and mic switching Dunestar makes a SO2R device.

John KK9A

Dave Hachadorian k6ll.dave at gmail.com
Tue Jan 19 11:20:41 EST 2016
Previous message (by thread): [Elecraft] SO2R recommendations

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


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[Jim Brown-10]

On Tue,1/19/2016 5:59 AM, Doug Ellmore wrote:
> I saw a kit (currently not available) from *k1xm.org/
> <http://k1xm.org/>SO2R/*
> <https://www.google.com/?gws_rd=ssl#>

This is the YCCC SO2R box, an EXCELLENT unit. I use it in my station. If
there's a waiting list for the next group purchase of kits, get your
name on it.

The DX Doubler has Pin One Problems, a well known cause of hum, buzz,
and RFI.

73, Jim K9YC
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[Dave-3]

I have been using the so2rduino published in NCJ
(http://ncjweb.com/features/julaug10feat.pdf) for a while now. Cost under
$50. With the 3 sets of leads I made I can use it for so2r Phone , cw or FSK
rtty

Dave
WW2R

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
[hidden email]


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[Rick Tavan-2]

The other problem with DX Doubler, if you operate CW, is that it does not
contain an internal keyer. Thus, it doesn't know when you are sending by
hand or by computer. If you're sending by hand, you need a monitor. But if
you're sending by computer, you may want to listen to the non-transmit
radio in both ears and not want to hear the monitor. If that's your
operating style, then with DX Doubler you have to throw a switch to send
with the paddle. This drove me nuts so I got rid of it. The Microham
products do have internal keyers, as does my current favorite SO2R box, the
YCCC box. They know when you're sending with the paddle and can let the
monitor through without forcing you to listen to both radios when one is
sending a computer message. The YCCC box is also the least expensive of the
lot, does everything I want, and is, to my knowledge, the simplest box that
includes an internal keyer. It's a club project, though, and not always
available off the shelf. And it's a kit (a fun kit).

GL,

/Rick N6XI

On Tue, Jan 19, 2016 at 9:37 AM, Jim Brown <[hidden email]>
wrote:

> On Tue,1/19/2016 5:59 AM, Doug Ellmore wrote:
>
>> I saw a kit (currently not available) from *k1xm.org/
>> <http://k1xm.org/>SO2R/*
>> <https://www.google.com/?gws_rd=ssl#>
>>
>
> This is the YCCC SO2R box, an EXCELLENT unit. I use it in my station. If
> there's a waiting list for the next group purchase of kits, get your name
> on it.
>
> The DX Doubler has Pin One Problems, a well known cause of hum, buzz, and
> RFI.
>
> 73, Jim K9YC
>
> ______________________________________________________________
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>

--

Rick Tavan
Truckee, CA
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