From K1JT himself:

On 7/21/2024 3:24 PM, Joe Taylor via wsjt-devel wrote:
> Hi all,
> I will conduct a SuperFox practice session on Tuesday, July 23, starting
> at 1300 UTC. Look for W2ZQ or K1JT, or possibly both, operating as
> SuperFox on 21.091 or 14.091 as conditions allow. I should have a good
> signal in EU and much of NA. Please make this special effort worthwhile
> -- and take note that I have zero experience as a Fox operator. :-)
>
> -- 73, Joe, K1JT

73, Pete, K2PS