Peter,
I'm not that familiar with Winwarbler, but I do run AFSK when using
RTTY. You could use DATA A on the K3s or AFSK. I prefer to use the AFSK
mode as it appear to work better than just using DATA A. The set up
should be about the same as you are using for FT8 using the radio's
built in sound card for the software you use; I prefer FLDIGI just
because.
The K3s does do FSK, but I'm not sure there is a real advantage over
running in the AFSK mode with some digital software. The data mode as
you call it is DATA A on the radio. It means you can feed the output of
some digital software into the radio and use any available bandwidth. It
also turns off the equalizers and compressor. AFSK has a filter for each
tone.
I'm not sure why you have had some much difficulty as I would
estimate it shouldn't take more than one day. ;-)
As you have a K3s, the set up really shouldn't be a lot of trouble.
Start by downloading FLDIGI and connecting the radio using the USB
connector. This allows both control of the radio and audio in and out.
Set the sound card in FLDIGI to USB CODEC line in and speaker out. The
radio will reflect a com port that will be used for control, use it at
38,400 8N2. Now you're set to go. Use the mic control on the front of
the radio to set the level for the transmitter such that ALC will show 4
bars and a flickering 5th. The power level should be set with the knob
that controls power. This should be how you set up for FT8 using WSJT-X.
All you need to do is set op mode in FLDIGI and go. Have fun!
73,
Barry
K3NDM
.
------ Original Message ------
From: "Peter Dougherty" <li...@w2irt.net>
To: Elecraft@mailman.qth.net
Sent: 3/19/2019 8:59:17 PM
Subject: [Elecraft] Sending AFSK RTTY
I haven't sent AFSK RTTY in almost 18 years so I'm not sure how I should set
my K3s up for it. I will be using it with DX Labs WinWarbler exclusively (I
don't do RTTY contesting, so no need to get it working with N1MM). I have
the radio setup for USB communication exclusively. Before this I had a
MicroKeyer-II and was sending FSK. Given the rise of FT8 I doubt I'll be
doing much RTTY anymore, but I still need to have it available just in case.
Using WinWarbler, I don't see any option to use a data mode for RTTY, just
LSB (again, we're talking AFSK now). Isn't there a data mode built into the
K3s for RTTY? Or is that just for FSK? Or is it a case of only using data
mode for one (and only one) data format? At the moment, I have the radio
using Data mode for FT8.
Sorry for the confusion-it's been three days of trying to find the right
settings for everything, with only very limited success. Thanks as always.
----------------------------------------------------
Regards,
Peter Dougherty
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