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Andersok
Posted March 7, 2021 - 1:35pm

Update:

It looks like in 1969, this could be the 'F' variant, but as we get to 1971 the 'S' variant replaces.

I don't find both the F and S in the same linebooks. In 1973 the band on subject watch looks to be a match.

I wonder if this band option was available in '69. Were there other options related to the -#W suffix.

OceanographerFS