You need the new "AP" (Aperiodic) spreading for Q65 or specific bug fixes for the IC-905.
The 2.2.160 release (and the 2.2.x series generally) focuses on stability and decoding efficiency. Key features typically include: Jtdx 2.2.160 Download-
Current JTDX version is (as of 2025–2026). Unless you need 2.2.160 for a specific reason (e.g., compatibility with a particular rig control or logging software), consider using the latest release for bug fixes and improved decoding. You need the new "AP" (Aperiodic) spreading for