HF digital modes are synonymous with Murray Greenman, ZL1BPU, creator of MFSK, WSQ, DominoEX, MFSK16, FSK-Hell and S/MT-Hell, and most recently FSQ. Murray is a ham’s ham, who creates, contributes, and shares in exhaustive detail the developments and discoveries that he has made during his 49 years in amateur radio. Murray joins Eric, 4Z1UG, in this QSO Today.