Clifton Turner's RX320 and DB320 Programs - Public wiki of Kevin P. Inscoe
Skytronics RX-Control Unit for Ten-Tec RX-320
Tentec RX-320 – Total USB conversion. No more dongles! - Marine Electronics Repair
American Milspec, LLC - Ten-Tec RX-321 Globe Wireless HF Software Defined Receiver AM, SSB, and CW signals from 100kHz to 30MHz, very rare, comes with software
Ten Tec RX-320 Black Box Receiver - ERGO
Modifying the Ten-Tec RX-320 - Amateur Radio - Dallas Makerspace Talk