in june 1955, westinghouse announced that it would sell its philadelphia stations, kyw radio and wptz, to nbc. in exchange westinghouse received nbc's cleveland stations, wtam radio and wnbk television, along with $3 million in compensation. the deal was approved in january 1956; one month later westinghouse moved the kyw call letters to cleveland and nbc renamed the philadelphia stations wrcv (am) and wrcv-tv. both companies also transferred much of their respective management and some on-air personnel to their new cities. most notably, both "the mike douglas show" and the "eyewitness news" format originated on kyw-tv during its tenure in cleveland.