OCSD AR 2023-24

TECHNOLOGY DIVISION Celebrates 90 Years KEY MOMENTS IN ORANGE COUNTY COMMUNICATIONS HISTORY:

KGHX “Christmas card” from 1934

UHF Eight-Channel Law Enforcement radio, circa 1973

1988 – The 800 MHz Fire Radio System is implemented for County Fire and all city Fire Departments, bringing new capabilities for the Fire Service community

1937 – The first “two-way” radio was introduced, providing field personnel the ability to transmit messages back to a dispatcher

1934

1973

1937

1988

1934 – Radio Station KGHX is placed on the air, transmitting “one-way” messages from the second floor of the Sheriff’s Office and Jail on Sycamore Street to public safety agencies

1973 – The UHF Law Enforcement Radio System is implemented for the Sheriff and all city Police Departments, bringing new capabilities for the law enforcement community

County of Orange GSA - Communications Division

Control One, circa 1960s

Communications employees, 1963

| ANNUAL REPORT FISCAL YEAR 2023-2024 14