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Open Source Software

Communications

Ham Radio

WSJT

WSJT

Weak signal ham radio communication

Brought to you by: bsomervi, chetfenn, dg2ycb, k1jt

24 Reviews

Downloads: 6,164 This Week

Last Update: 2025-02-17

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Summary

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Git ▾

WSJT-X

WSPR

WSPR-X

WSJT

Echo

FMT

MAP65

MAP65IQ

WSJT-X Superbuild

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Old SVN

The WSJT project implements software for amateur radio communication using state-of-the-art digital techniques. Typical applications involve "DXing" at LF, MF, HF, and VHF+ frequencies, including meteor scatter and EME ("moonbounce"). Major emphasis is placed on weak-signal techniques.

Summary Program Descriptions:

WSJT-X supports the communication protocols FST4, FT4, FT8, JT4, JT9, JT65, Q65, MSK144, WSPR, FST4W, and Echo, each optimized for different sorts of radio-wave propagation.

MAP65 is designed for EME an VHF and higher frequencies. It provides a panoramic, polarization-matching receiver for the Q65 and JT65. modes.

Programs WSJT and WSPR are interesting primarily for historical reasons. They are superseded by WSJT-X.

Features

FT8 for general-purpose HF DXing

FT4 for Contesting

MSK144 for meteor scatter on VHF bands

Q65 for special purposes including EME, ionospheric scatter, and trans-equatorial VHF propagation

FST4 for LF and MF DXing with extremely weak signals

WSPR and FST4W for propagation probes

Echo for detecting your own echoes from the Moon

Project Samples

Project Activity

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Categories
Ham Radio

License
GNU General Public License version 2.0 (GPLv2), GNU General Public License version 3.0 (GPLv3)

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WSJT Web Site

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User Ratings

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ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5

features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5

design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5

support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5

User Reviews

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sq2jsb Posted 2025-04-20

v2.8.0 improved by DG2YCB has many aesthetic errors. e.g. RX indicator window in dB, displays only the letter d. tx 1, tx 2 ... buttons description of the button does not fit in the button, tx progress bar is covered by the second counter, above 10 seconds in rx it is ok, general lack of aesthetic refinement

pehamel Posted 2021-04-01

THANK YOU FOR ALL THE GOOD HARD UNPAID WORK. WSJT-X v 2.4 rc4 gives me an error message intermittently. "Rig control error Do you want to reconfigure the interface? " Yaesu FTdx1200 (worked fine before). The QSO is not lost if I say yes and then just go on. The program serves an excellent purpose (probably unplanned and unexpected) the publications should include the benefit to a ham caregiver with a sick person who must be heard but not hear a speaker. Someone who has the knowledge that escapes this 80 year-old brain needs to update the documentation I can find with user-oriented info. I have had questions from hams who thought they should be using "Hound mode" . In the WSJT-X portion of your site please list other sites which may be 90-day wonder or 80 year old USER oriented. Again; THANK YOU FOR ALL THE GOOD HARD UNPAID WORK. Pat W5THT P.S. Rating numbers to the right don't seem to work.

lmfariss Posted 2021-01-25

Too good not ot give it a try

pangelos Posted 2020-11-25

Solid code and features. Keeps experimentation in amateur radio in the forefront.

mrbill3 Edited 2020-09-25

I had been off the air for 21+ years because of hearing problems. WSJT-X gave me the capability of working others with the volume off, which got me back into hamming. Thanks Joe! Also, the program is an outstanding example of great software. Bill, AA4M

Read more reviews >

Additional Project Details

Operating Systems
Linux, BSD, Mac, Windows

Languages
English

Intended Audience
End Users/Desktop

User Interface
X Window System (X11), Win32 (MS Windows), Cocoa (MacOS X), Qt

Programming Language
Fortran, Python, C++, C

Related Categories
Fortran Ham Radio Software, Python Ham Radio Software, C++ Ham Radio Software, C Ham Radio Software

Registered

2005-12-28

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