[Elecraft] K3 on Digital Modes

[David Fleming]

Yep.. Same here. Except I'm using W7AY's very wonderful CocoaModem software on my iMac. It couldn't be any simpler. Two audio cables and a little bit of setup on the K3. It took about 5 minutes to get it all going.

I think I'll put K3-Enabling of CocoaModem on my to-do list.

David, W4SMT

Lyle Johnson <kk7p at wavecable.com> wrote: While working on DSP code for you know what, I currently have my K3 
connected to the shack desktop computer using just a pair of 3.5mm 
(1/8") stereo patch cables.  The various radio <-> computer interfaces I 
purchased for my other rigs are gathering dust, along with the rigs. 
The K3's internal, isolated soundcard interface is working perfectly.  I 
activate VOX for the digital modes on the K3.  No other cables required.

I am running Ham Radio Deluxe with its companion Digital Master 780 
(thank you, Simon!).  K3 set to DATA A, width to 2.8 kHz, radio tuned to 
14.070.  Lots of PSK activity on 20m... but wait, what're those weird 
signal patterns I see on upper edge of the waterfall?

Tune to 14.072.  The HRD/DM780 software is K3-enabled, so the re-tune is 
done right from the computer.

Now a quick scroll through the various modes and I see it is an Olivia 
QSO.  Signals are pretty weak, but the text is clear.

That QSO has ended and a slightly different pattern has emerged.  Ah! 
That is MFSK16.  A click of the mouse and it is decoding nicely.  I see 
one of the parties in this QSO is 83 yrs old!

I sometimes hear people say that setting up for or operating digital 
modes can be difficult, but this is dead easy.

K3... two standard audio cables... HRD+DM780.  It doesn't get much 
simpler than this!

73,

Lyle KK7P

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