FLDIGI & Audio Interfaces
Download your FLDIGI and associated programs by going HERE
You will need fldigi. flamp, flmsg, and flwrap. You may want some of the other files. I am using flnet which is a NET CONTROL program. If you are a net control operator, I think you will like the way you enter the check ins.
Sounds of Various Digital Signals
YOUTUBE Videos
NBEMS Basics_ Monitoring_Copying
Excellent Video on Setting UP FLDIGI and Using FLMSG, FLWRAP, FLARQ, and FLAMP
Setting up FLDIGI to automatically detect a received mode.
Example PSK31 QSO on 20 meters.
Interface web sites