Radio Cooperativa is a radio station in Chile, based in Santiago. It is operated by Chilean Communications Company. [1] The station is notable for opposing the Augusto Pinochet dictatorship and denouncing its human rights violations at a time when reports of said wrongdoings were federally suppressed. [2] The station has historic ties with Chile's Christian Democratic party. In 2020, Radio Cooperativa inked a content sharing agreement with China Media Group. [3] It broadcasts on AM frequencies 660 and 1140 or 1150 (kHz), also known as CB-66, CB-114 and CB-115.