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| Issue | Solution |
|-------|----------|
| “Access denied” on COM port (Windows) | Run JTDX as Administrator once, or add your user to the “Dial-out” group. |
| No decodes even with strong signals | Check Sample Rate: Set to 48000 Hz (not 44100) in audio settings. |
| Waterfall lag | Reduce “Waterfall memory depth” to 1024, disable fancy spectrum smoothing. |
| False virus alert on .exe | Upload the file to VirusTotal – it’s a false positive. Add folder to AV exclusion. |
| macOS crashes on startup | Reset config: delete ~/Library/Preferences/JTDX.conf and restart. |
This software is released under the GNU General Public License (GPL). It is free to use and distribute. If you enjoy the software, consider supporting the developers.
JTDX v2.2.159/160 is a highly popular, community-driven fork of the WSJT-X software , specifically engineered for DXers who prioritize sensitivity decoding efficiency in crowded amateur radio bands. Mac Ham Radio Version 2.2.160 Highlights
While Version 2.2.159 is the currently stable general release, the v2.2.160-rc
(Release Candidate) series introduces critical updates for modern digital operation: SuperFox Mode Support : Recent release candidates like jtdx 22160 download updated
have integrated support for "SuperFox" mode, allowing users to hunt DXpeditions using this newer high-efficiency protocol. Enhanced Decoding
: JTDX is renowned for pulling signals "out of the weeds" as low as
, often outperforming standard WSJT-X in weak-signal environments. Refined Auto-Sequencing
: The update improves detection of "my call" in decoded messages and refines the auto-sequencing logic for smoother "ROGER+REPORT" exchanges. UI Adjustments Usage Rights This software is released under the
: Users report a cleaner layout with handy "FT8," "FT4," and "JT" buttons for quick mode switching, and an improved wide-graph window to prevent accidental configuration changes. SourceForge Performance & Compatibility jtdx download | SourceForge.net
DeSmuME is a Nintendo DS emulator. A free file archiver for extremely high compression. SourceForge JTDX Improved download | SourceForge.net
“FT8”, “FT4”, and “JT” buttons make it easy to switch between the frequently used modes (useful when menus are hidden). SourceForge
If you are running with WSJT-X v2.7.0-RC6 or JTDX ... - Facebook Download Links Please select the appropriate version for
Please select the appropriate version for your operating system. Note: It is recommended to uninstall previous versions before installing this update to ensure a clean configuration.
[Insert Download Link][Insert Download Link][Insert Download Link][Insert Download Link]
"version": "22160",
"date_utc": "2026-04-08T00:00:00Z",
"platforms":
"windows": [
"file": "jtdx-22160-x64.msi", "size": 12345678, "sha256": "...", "sig": "jtdx-22160-x64.msi.sig"
],
"macos": [ ... ],
"linux": [ ... ]
,
"deltas": [
"from": "22150", "file": "jtdx-22150-to-22160.patch", "size": 234567, "sha256": "..."
]
Do not just search blindly; use these verified sources. The official repository for JTDX is hosted at sourceforge.net under the JTDX project.
The waterfall data buffer management has been reworked. Users monitoring with wide bandwidths (e.g., 48 kHz sampling) report less stuttering on modest hardware.