Amateur Abbreviations and Acronyms
- ATNAid To Navigation
- ATNOAll Time New One
- ATONAid To Navigation
- AUDFAssociation of Ulster Drama Festivals
- BCCBavarian Contest Club
- BDSLBuffalo and District Soccer League
- BFRRBelarusian Federation of Radioamatmurs and Radiosportsmen
- BFRRBelarussian Federation of Radihamateurs and Radiosportsmen
- BMBio-Utility Mechanoid
- BPLBrass Pounders League
- BRATSBredhurst Receiving and Transmitting Society
- BTFDBalanced Termination, Folded Dipole
- BWAABowling Writers Association of America
- CAClosed Autopatch
- CBACentre for Backyard Astrophysics
- CFARSCanadian Forces Affiliate Radio System
- CGLCollege Gaming League
- CLMCanadian Liberation March
- CNSPCalifornia Near Space Promect
- CSCECertificate of Successful Completion of Examination
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