[2][3] KSYM-FM is a 1000 watt (3000 ERP) FM educational non-commercial broadcast station presently operating on 90.1 MHz, with transmitter and studios located in the RTVF Hall on the campus of San Antonio College.

In fact, SYM, part of the station's call letters, stands for, “Symbol of Sound Education.” The first full day of program testing occurred August 6, 1966.

The first weekly schedule of programming began officially on September 15, 1966 at 4:00 p.m. on FM channel 212 of the frequency 90.3 transmitting with 250 watts of power through a 4-bay antenna.

Dr. Clyde R. Nail, Vice-President, obtained matching funds to purchase equipment for the broadcasting facility to provide training for students in Radio-Television-Film Technical Program.

Miss Jean Longwith, Assistant Professor at the time, prepared the Application to the FCC with the aid of a Consulting Engineer, Mr. Kenneth Hyman.