Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym 20B is...

20B is

  • Rockland Coast Guard Station / Weather Observation Station, Rockland, Maine USA

20B is also in:

Acronym Definition Searched: 86047 IADMS LDM 06921 TG LH ITWO WACI QWI FSAQ 70346 SBE BIMP-EAGA UCSB SDB