New Digital Modes Gain Traction for Moonbounce, Occasionally Show up on HF:

eHam.net News — In December, Joe Taylor, K1JT, released the latest version (1.7) of his
WSJT-X software
suite, designed to facilitate basic Amateur Radio communication using
very weak signals (“WSJT” stands for “Weak Signal communication by
K1JT”). Version 1.7 included the new modes MSK144 and QRA64, as well as
ISCAT (ionospheric scatter). MSK144 and QRA64 (and QRA64A) are finding
a home within the VHF Earth-Moon-Earth (EME, or moonbounce) and
meteor-scatter communities, but QRA64A signals also have turned up on
160 meters, which poses its own challenges to weak signals.

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