SimJT is a simulation program. It generates audio-frequency JT65 and CW signals in a background of gaussian white noise, with user-specified signal-to-noise ratio. SimJT is a computer program designed as an aid for testing the JT65 modes of the weak-signal communication program WSJT.
With SimJT you can generate JT65 test signals with specified signal-to-noise ratio, message content, and other parameters. For comparison purposes you can also generate Morse code messages with controllable parameters. The test signals can be played from one computer into another, or even back into the same computer, via the audio input/output ports.
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