Joe's right - I had a brain fade.You select Data as your mode and then select AFSK A, not DATA A, with the DATA MD button.

73, Pete N4ZR
Check out the Reverse Beacon Network
at <http://reversebeacon.net>, now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

On 1/1/2021 12:15 PM, Joe Subich, W4TV wrote:
On 2021-01-01 11:52 AM, N4ZR wrote:

> Rather than FSK, I suggest you start with Data A - The K3's AFSK seems
> to work very well on my S/N 4275, and there's no requirement for
> external FSK hardware.

Better yet.  Use AFSK_A for RTTY since it contains a transmit audio
filter to keep the AFSK clean. Use DATA_A for other audio based data
modes that require USB and some flexibility in the audio bandwidth.

73,

   ... Joe, W4TV


On 2021-01-01 11:52 AM, N4ZR wrote:
I've been quite comfortable with the StarTech ICUSBAUDIO7D - on my second, and still available.  Most of my audio problems are Windows 10's fault, or mine.

Rather than FSK, I suggest you start with Data A - The K3's AFSK seems to work very well on my S/N 4275, and there's no requirement for external FSK hardware.

73, Pete N4ZR
Check out the Reverse Beacon Network
at <http://reversebeacon.net>, now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

On 1/1/2021 11:13 AM, Craig Wissman wrote:
Sorry to trouble you folks. I’m sure this is a well worn path.
Trying to figure out what current sound cards will work with my older K3. Online equipment refs  I’ve discovered are either out of date or inconsistent. I’ve been trying to follow Max George’s(NG7M) March 2018 1:55min YouTube instructions.   Also info from AA5AU and N1MM tutorials. Tried to search this post archive but find doing it by subject matter doesn’t seem to work. Having to dig through monthly summaries. Trying to get setup with N1MM/MMTTY K3 serial port vintage with dual rcvrs. Windows 10 desktop. Plan to start out with FSK and maybe dabble with other chat related digital modes down the line.
Can anyone point me to current sound card best practices?
I have a 2006 vintage Signalink used years back but seem to we warned not to bother…
Craig WF6Q



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