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We are the world's largest and most comprehensive directory and search engine for acronyms, abbreviations and initialisms on the Internet. Abbreviations.com holds hundreds of thousands of entries organized by a large variety of categories from computing and the Web to governmental, medicine and business and it is maintained and expanded by a large community of passionate editors. Read more about our awards and press coverage.

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GACIAC
Guidance and Control Information Analysis Center
RACG
Radiometric Area Correlation GuidanceĀ 
FPSC
First Person Shooter Creator
LBDAS
Laughing But Dead Ass Serious
EARFCN
Evolved Absolute Radio Frequency Channel Number