The Logbook of The World (LoTW) Committee worked with WSJT-X developer Joe Taylor, K1JT, to harmonize the designation of FST4 among WSJT-X, the ADIF standard, and LoTW. At present, FST4 is only supported in a recently released beta version of WSJT-X. 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 in…
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