locked FoxAndHoun last only 2.5 minutes #FoxAndHound

Amos Sobel 4X4MF

FT8 Fox and Hound have become very popular lately but it has a problem:
My calls for  J5HKT yesterday and today on 7,10, 18 Mhz does last about 2.5 minutes. Enable Tx becomes Halt Tx. This in in contrast to the usual FT8 call which does last 6 minute by default.

Is it a failure or by design?

Amos 4X4MF

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