The Logbook of The World (LoTW) Committee worked with WSJT-X developer Joe Taylor, K1JT, to coordinate the creation of FST4 among WSJT-X, the ADIF standard, and LoTW.
Currently, the FST4 is only supported in a newly released beta version of the WSJT-X.WSJT-X
The new beta released includes digital protocols particularly designed for communication on LF and MF bands, like the 2200 meters and 630 meters, and its developers say that during its first few months of testing, contacts have crossed intercontinental paths numerous times on those bands.
Both modes offer a range of options for T/R-sequence lengths and threshold decoding sensitivities extending well into the –40 dB range, developers said.Captioned in the photo: Joe Turner Committee's Action to Avoid
The committee’s action was to avoid the sort of confusion that cropped up among LoTW users logging contacts in FT4 when that protocol was first included in WSJT-X. In the ca…