sentences:  In 1983, the federal government created the Instituto Mexicano de la Radio (IMER, ), which initially owned all of the radio stations which the government had come into owning through other agencies.Given XERF's geographic location, transmitter power, and status on a clear channel, the Mexican government considered XERF of strategic importance to acquire.On February 22, 1986, IMER purchased the assets of Compañía Radiodifusora de Coahuila, S.A. and immediately took over operations of XERF.