WSJT-X
WSJT-X is a macOS amateur radio app for weak-signal digital communication modes such as FT8, FT4, JT65, and WSPR.
What is WSJT-X?
WSJT-X is a native desktop application for amateur radio operators who work weak-signal digital modes on macOS and other desktop platforms. It helps users send, receive, and decode short digital messages in operating conditions where signals may be difficult to copy by ear. Common uses include FT8 and FT4 contacts, WSPR signal propagation experiments, and other specialized weak-signal operating activities. The app works with compatible radios and station hardware for audio, frequency control, and logging-oriented workflows that are common in ham radio setups. WSJT-X is created and maintained by Joe Taylor, K1JT, and the WSJT Development Team, and it is widely used by operators who want reliable weak-signal communication tools for everyday operating, portable stations, and experimentation.
Key features
- Decode and operate popular weak-signal digital modes including FT8 and FT4
- Send short structured messages for amateur radio contacts
- Use WSPR for signal propagation monitoring and experiments
- Integrate with compatible radios for CAT control and frequency management
- Work with station audio devices for transmit and receive operation
- Support logging-oriented workflows used by amateur radio operators
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Safety overview
Status: Safe
WSJT-X is legitimate amateur radio software. It may need access to audio devices and connected radio hardware so it can decode signals and control supported equipment, which is normal for its purpose. It can also exchange data with other ham radio tools as part of a station setup. Keep your radio settings and connected hardware configured carefully before transmitting, and remove the app only if you no longer use it for digital-mode operation.
Recommendation: Keep WSJT-X if you use digital amateur radio modes such as FT8, FT4, or WSPR. If you no longer operate those modes, you can remove it like any other app, but your saved settings and station workflow may need to be set up again if you reinstall later.
Common paths
/Applications/WSJT-X.app
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