José Figueroa formally issued regulations ordering the secularization of the California mission system, a decision that would dramatically reshape life throughout Alta California, including what would later become the Santa Clarita Valley. Figueroa was tasked with carrying out the transition and signed the “Provisional Regulations for the Secularization of the Missions of Alta California” on Aug. 9, 1834. Get breaking KHTS Santa Clarita News Alerts delivered right to your inbox. Santa Clarita news and features are delivered throughout the day over our airwaves, on our website and through a variety of social media platforms. A vibrant member of the Santa Clarita community, the KHTS broadcast signal reaches all of the Santa Clarita Valley and parts of the high desert communities located in the Antelope Valley.