WA0OTF's Novice call probably wouldn't have been WN0OTF because by the time the FCC shifted to WA call prefix was result of being WV0OTF as a Novice. WN0 by shortly after 1962 was exhausted. My 1962 Callbook does not show anyone having W0OTF and no WN0OTF either. Byron W4EBA