Rules here:https://winterfieldday.org/downloads/2024-WFDA-Rules-Packet-V.-10.04.23.pdf

" The designated Winter Field Day exchange is your call sign, your Class and Category, and your location identifier"

For me it would be "AI6VX 1H SB"

All bands acceptable except 12, 17, 30 and 60M.  All modes except FT4 and FT8.  Max 100W.

Dave

AI6VX