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

QSY is

  • Shall I change to transmission on another frequency?

QSY is also in:

Acronym Definition Searched: WGFT VVT EA MFP CSO DV MDB VVMF ROQ CALS ADA OCMB NS ASMF RT