KRDU, which was owned by the Radio Dinuba Company with studios on L Street, signed on the air as a daytimer (required to go off air at night) on December 26, 1948.
It was owned by the Radio Dinuba Company with studios on L Street. At first it was a daytimer, required to go off the air at night and powered at only 250 watts. KRDU signed on the air on December 26, 1948, at 1130 kilocycles. 
