FT8 differs from the traditional modes in one important way: multiple signal decoding. This opens a possibility to significantly increase the speed of a pileup QSO by using a shortened QSO sequence. Here is one possibility that would increase the QSO rate up to 120/hour:


CQ VK9MMM QH72
VK9MMM VE3NEA FN03,  VK9MMM K1JT FN20, VK9MMM W3LPL FM19
-------------------
W3LPL VK9MMM +30
VK9MM W3LPL -20
-------------------
73 NOW K1JT +20
VK9MM K1JT -20
-------------------
73 NOW VE3NEA +10
VK9MM VE3NEA -20
-------------------
73 CQ VK9MMM QH72
...



This would require a new message, "73 NOW...", in addition to already defined "CQ...", "CQ DX...", etc. Another message, "73 CQ...", would also save some redundant transmissions by confirming the current QSO and requesting new calls at the same time.

73 Alex VE3NEA

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