W8WSY/KP6 1946 Christmas Island
Operator: William Martin
Huebisch, Jr., P.H.D.
Silent Key (1922-1999).
Here is an interesting item: according to an item in an Ancrestry.co.uk message board "...we found an old piece of scrap steel on the island, marked W9SMA -1946."
QSL SM5LNE Collection
Info courtesy of W5KNE