[ADXA] I'm clueless on this one - callsign/P (So what else is new?)

[WB5JJJ]

What are all the FT8 calls with /P on them, mostly Canadian, but a few US?
None of them refer to a new grid square, at least for me, if they even show
one.  It might be some sort of secret contest, but I can't find any
information at all.  When I look them up on QRZ, it refers me to their main
page with no mention of why the /P.

73's
George - WB5JJJ


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