Adoption of an all-news format KYW (AM)

the former kyw building on independence mall east, used station 1972 2007. building has since been demolished , replaced national museum of american jewish history.

in 1972 kyw moved new studios in independence mall east, @ fifth , market streets, remain next 35 years.

kyw has long been major factor in philadelphia radio market, although audience has naturally reduced due decline of whole. kyw-tv took advantage of radio station s popularity incorporating version of kyw s musical sounder news themes 1991 2003. in addition, television simulcast of 5 a.m. 8 a.m. block entitled kyw newsradio 1060 morning aired on sister station wpsg (channel 57) in 2000s, adapting kyw s clock television. though popular alternative national morning shows, effects of vertical integration , new affiliation traffic pulse saw control of program shift kyw-tv, , became new program called wake upnews, featuring standard local morning news format heavy focus on traffic until 2009, when became standard extension of kyw-tv s 5 a.m. 7 a.m. show.

in 1995 westinghouse electric announced purchase of cbs, , upon completion kyw became sister station long-time rival, cbs-owned wgmp (1210 am, wpht). station, under original wcau call letters, had attempted during late 1970s compete kyw all-news programming, failed, eliminating format after three-year effort.

from 1986 1998, kyw used c-quam stereo system, abandoned system time of cbs-westinghouse merger , went standard monophonic am. station has been using hd radio digital system created ibiquity since september 2007 after initial testing period.

in march 2007, studios moved 1 half-block 400 market street in center city philadelphia, allowed construction of national museum of american jewish history. in march 2014, relocated 1555 hamilton street in philadelphia, joining kyw-tv on 6th floor. referred on-air cbs broadcast center .

in november 2017, cbs radio merged entercom, based in suburban bala cynwyd , had never owned station based in home market. transaction separated kyw television counterparts, , marked first time since establishment kyw has not been owned direct descendent of westinghouse.