This is the home page of Southern California APCO ( The California Public-Safety Radio Association – CPRA ). Established in 1935, we are one of the largest APCO Only chapters in the Country.  Our membership includes 9-1-1 Telecommunicators, PSAP Supervisors and Managers, RF/IT/GIS Technicians, Analysts, Engineers, Police/Fire/EMS personnel, State and Local Government employees, Military personnel, Tribal Police along with Vendors, Manufacturers, Service Providers, Consultants and more.  Our chapter holds monthly Chapter Meetings that include Education & Training, Regional Frequency Coordination and PSAP Roundtables in several locations throughout Southern California.