FRED FM (KSAK, 90.1 FM) is the student-run college radio station of Mt. San Antonio College in Walnut, California. Programming mixes blocks of hip-hop, rock and pop music with news, sports and campus and community information, produced and hosted by students of the college's Audio Media program. The station was rebranded from "90.1 FM MtRock" to "Fred FM" in 2025.
