JP, a couple of thoughts...

28.085 MHz is not 1MHz higher than "normal"; it is about 10KHz higher than the 28.074 +tone frequency "normal".

My theory on what you are seeing is indeed FT8, but not "normal" FT8 - I think it is a mode of operation referred to as Fox/Hound, where the Fox is the sought after DX and the Hounds are those chasing him.

I think if you Google FT8 fox hound you will find a lot on it; the exchange is a little different, and you have to change your settings in WSJT-X to run it, and pay attention to the conventions if you want to make contacts that way.

A lot of DXpeditions use it.

73 and good luck with it!

73 de Dave, W5SV

On 10/12/2022 11:08 PM, JP Pritchard via BVARC wrote:
I've been working FT-8 on 10 meters today with great DX success. But then I see activity that looks like FT-8 at 28.085 Mhz, 1 Mhz higher than the normal FT8 Frequency. WSJT-X decodes a lot of stuff at that frequency, but it's just really weird to me. Take a look and please explain it to me. Much of it seems to be signal reports between FS4WBS and many other calls, many of them appear to be Japanese call signs. Huh?

JP, K5JPP

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