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: 59460 MIT POPA BSP WVI HGA IPLY ELMS UB1 TCLN VLA ALD TDH LCED DK