Catherine James
unread,Mar 4, 2026, 5:46:37 PMMar 4Sign in to reply to author
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to k1...@strange.net, Chris KI1P, Patrick Schlott, w1...@googlegroups.com
The audio interface can be little more than a cable running from the sound card of the computer (the headphone and mic jacks) to the headphone)mic jacks on the radio, either directly or, more often, through an accessory jack on the back.
You do not need a Signalink or other fancy external audio in interface. They have advantages, but are not absolutely needed.
The only transceiver control required is the ability to key PTT. That can be as simple as a one-transistor keying circuit connected to a computer serial port. USB-to-serial converters are dirt cheap.
If your computer and radio are successfully operating FT8, they can operate RTTY with no changes to the hardware.
FLDigi can be a pain to configure, but that's because it's so flexible.
What radio are you using?
73,
Cathy NQ1B