WMMR (93.3 FM, "93-3 WMMR") is a commercial radio station licensed to serve Philadelphia, Pennsylvania. The station is owned by the Beasley Broadcast Group through licensee Beasley Media Group, LLC and broadcasts an active rock radio format. The station's studios and offices are located in Bala Cynwyd and the state tower is atop One Liberty Place at () in Center City Philadelphia. WMMR broadcasts using HD Radio. Its HD2 subchannel plays live rock performances and sessions in WMMR's studios. WMMR carries Philadelphia Flyers hockey games when its all-sports sister station 97.5 WPEN is airing another sporting event and cannot broadcast the Flyers game. WMMR is the home of Preston and Steve, heard weekday mornings, and midday personality Pierre Robert, heard on WMMR since 1981. History 1940s On February 11, 1941, the Federal Communications Commission granted Pennsylvania Broadcasting Company a construction permit for a new FM station on 44.7 MHz on the original 42-50 MHz FM broadcast band with the W47PH call sign. The construction permit was modified on November 4, 1941, when the FCC reallocated the station to 44.9 MHz with a corresponding call sign change to W49PH. The FCC also on this date granted the station authority for the first time to begin broadcasting. The station signed on for the first time on April 20, 1942, and was granted its first license on March 2, 1943. Programming was initially a simulcast of sister station AM 610 WIP. On November 1, 1943, the station was assigned the WIP-FM call sign. After the FCC created the current FM broadcast band on June 27, 1945, Pennsylvania Broadcasting applied to the FCC for a construction permit on October 24, 1946, to install a new transmitter and antenna for operation on 97.5 MHz. On July 10, 1947, the FCC reallocated the station to 93.3 MHz, modifying the construction permit. The commission granted Pennsylvania Broadcasting a new license for the station for operation on 93.3 MHz on December 22, 1948. 1950s and 1960s In the 1950s and 1960s, WIP-FM carried a full service format of middle of the road (MOR) music, news, sports and talk. The station's license was voluntarily reassigned by the FCC to WIP Broadcasting, Inc. on September 17, 1958, followed by another voluntary reassignment to Metropolitan Broadcasting Corporation on December 29, 1959. The FCC granted a licensee name change from Metropolitan Broadcasting Corporation to Metromedia, Inc. on May 11, 1961. On August