WBZ
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WBZ is the callsign of two CBS Corporation-owned broadcast stations in Boston:
- radio station WBZ AM (1030 kHz)
- TV station WBZ-TV (channel 4)
WBZ is the oldest surviving broadcaster in Massachusetts, dating back to the 1920s when it was first licensed by Westinghouse in Springfield, Massachusetts before swapping callsigns with its sister station WBZA in Boston.