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Re: PSK31 on my K3

Posted by Alan D. Wilcox, W3DVX on Mar 17, 2010; 2:00pm
URL: http://elecraft.85.s1.nabble.com/PSK31-on-my-K3-tp4748845p4750423.html

Garry,

By way of "filling in the holes" as you said:
A couple years ago I wrote about setting up my K3 for PSK31. See
http://wilcoxengineering.com/projects/amateur-projects/24-configure-the-k3-for-psk31

One of these days I need to revisit the whole issue. In my spare time! hi.

73, Alan

Alan D. Wilcox, W3DVX
570-321-1516
http://WilcoxEngineering.com
Williamsport, PA 17701


Garry Shapiro wrote:

> I have spent considerable time trying to nail down PSK31 operation with
> my K3. I have made some Q's, but questions remain.
>
> My setup is a K3, MicroKeyer (Router 7.2.4) and DX4WIN 7.03. I use the
> AF4TY PSK app. included in DX4WIN. I have pestered Ira, K2RD who
> recently co-rewrote the setup guide for MicroKeyer, and he has been
> graciously helpful with my many MK issues in the past. What I would like
> is to reconcile what is in the K3 Owners Manual (rev. D5) with what is
> in the MicroKeyer (MK) setup guide, and to fully understand and access
> my data mode options.
>
> Page 31of the K3 Owners Manual, under /Data Mode Selection, /suggests
> that soundcard-based data communications can utilize either LSB/USB or
> DATA mode--in this case DATA A. (PSK D does not appear to be relevant to
> this discussion.) Tonight, with K2RD's help, I achieved transmitted PSK
> using USB mode. The MK Router setup guide appeared to be incorrect for
> this approach, as follows. Step 3 instructed to assign the /same
> /(virtual) port for PTT as for the Radio, but Ira instructed instead to
> assign a /separate /virtual port, which was necessary to place the
> Router in Voice mode during transmit to allow keying the K3. This
> appears to be OK, but it will require some on-air operation to verify. A
> minor annoyance is the necessity to zero out Compression, which is
> performed automatically in DATA A mode.
>
> Several days earlier, I had managed to achieve PSK output using  TX DATA
> mode with DATA A mode--but I have been unable to duplicate that success!
> I believe I succeeded at that time by following the instruction in Step
> 3 of the MK Router setup guide to assign the /same /virtual port for
> both PTT and the Radio, but now the MK remains in Digital mode and there
> is no output when TX mode is initiated.
>
> I would like to use DATA A mode so as not to have to remember to zero
> the Compression and would also like the option to use AFSK RTTY, which
> would also require DATA A. (For RTTY, I have avoided this issue by using
> FSK with MMTTY, and I have so far had no interest in text decoding.)
>
> I regret that I find the Data Modes discussion in the K3 manual to be
> thin and incomplete, and therefore confusing.
>
> I am sure this audience can fill in the holes.
>
> Garry, NI6T
>
>
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