14-year tenure as owner of then-competitor present-affiliate stations WBUT and WLER-FM. Berg's show continued until his retirement on February 1, 2001. The show was renamed "It's Your Turn" and today is hosted by morning show host Dave Malarkey. Most low-powered daytime-only radio stations were granted permission by the FCC to begin limited nighttime power operations in 1988. WISR was one of these stations, and prior to the nighttime authorization, had never used satellite technology on the air, relying on world and national news via UPI wire service. After nighttime power was granted, WISR signed an affiliation agreement with CBS news, introducing satellite technology to its listeners. 1997: duopoly sale Joel Rosenblum continued to operate WISR out of its original studio on North Main Street in downtown Butler until 1997, when he agreed to sell the station to Brandon Communications Systems, Incorporated. That company, headed by Robert C. Brandon and his brother Ronald, was the licensee of WISR's crosstown competitor, WBUT and WLER-FM, which first signed on the air in 1949. Prior to the sale, WISR had programmed a format of both talk and adult contemporary music. In an effort to make the three stations compete less with each other, Brandon Communications switched the format from adult contemporary to one of MOR and easy listening music. The station, which had progressed very little in terms of technology up to this point, invested in computerized hard-disk audio, provided by DCS. WLER-FM evolved out of the former FM license that had been issued to WISR. The station had been originally known as WISR-FM until the Rosenblum ownership returned the license to the FCC, failing to make a go with it in these early years of FM. The license was recovered by WBUT's ownership years later. Larry Berg, the former owner of competitor WBUT AM/FM from 1964 until 1978, resurfaced at WISR a few years later, where he hosted his own afternoon talk show and sold airtime. Brandon ownership era ends Brandon Communications Systems then changed its name to the Butler County Radio Network soon after the acquisition of WISR. A few years later, the Brandon brothers, one by one, sold their interests in the station to the present ownership made up of four local entrepreneurs, but the Butler County Radio Network has remained the name of the licensee. In 2003, WISR moved from its longtime location at 357 North Main Street to a