New WSJT candidate release features FST4

Candidate releases are intended for beta testers, WSJT-X 2.3.0-rc1 offers the new modes FST4 and FST4W designed for use on the LF and MF bands

WSJT-X 2.3.0 is a program upgrade offering two new modes designed especially for use on the LF and MF bands. FST4 is for 2-way QSOs, and FST4W is for WSPR-like transmissions.

Both modes offer a range of options for T/R sequence lengths and threshold decoding sensitivities extending well into the -40 dB range. Early tests have shown these modes frequently spanning intercontinental distances on the 2200 m and 630 m bands.

Further details and operating hints can be found in the
“Quick-Start Guide to FST4 and FST4W”, posted on the WSJT web site:
https://physics.princeton.edu/pulsar/k1jt/FST4_Quick_Start.pdf

You can download WSJT from
http://physics.princeton.edu/pulsar/k1jt/wsjtx.html

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