PSA 15 : Public Service Advertisement. Or, Public Service Announcement. A PSAs are typically broadcast by radio or television. PSAs are often professionally prepared pro bono by advertising specialty firms or associations
Tom May, CEM, Steve Davis, Larrie Wright, All Hands Community, Glossary of Terms and Definitions (in the fields of Emergency Management, Business Continuity and related service areas), 3rd Ed, USA 2005. http://www.macogonline.org/archive/homeland/emerge ncy_glossary.pdf, (Emr Mgt, Biz Cont and related srvc areas - Brit) {482}