AIOC: The Ham Radio All-In-One Cable For Audio And APRS | Hackaday
The Sound Card, Heart of Digitial Operation - Nashua Area Radio Society
Cheap USB interface to connect Ham radios and other devices to the PC | Guysoft's Weblog
SC1:: PC sound card interface
Yaesu FT-891 Setup for Digital Modes - KB9VBR Antennas
TIMEWAVE, NAVIGATOR, Digital Modems, NAVIGATOR
GitHub - alejolp/extmodem: Sound card modem for Amateur Radio AX25
Amazon.com: Signalink SLUSB6PM, Tigertronics SignaLink USB for 6-pin Mini DIN Data Port (See Below for a List of Compatible Radio Models) : Electronics
AIOC: The Ham Radio All-In-One Cable For Audio And APRS | Hackaday