 He advocated that Texas should be a "dry state," where no alcohol was sold, which is how the station got its call sign.In 1982, KDRY was granted a license by the FCC to expand its signal strength to 11,000 watts of power and move to AM 1100.The effect of this was a 75-mile signal strength during the day and 1000 watts covering San Antonio and its close suburbs during night time hours.