WNBC

1941–1946


WNBC-TV originally signed on as WNBT-TV on July 1st, 1941. WNBT was officially the first tv station in the United States, although they and WCBW (Now WCBS-TV), were supposed to sign on at the same time. WCBW was delayed by one hour by technical issues. The WNBT call letters meant NBCTelevison

1954–1960
In 1954 WNBT became WRCA. The call letters WRCA meant Radio Corperation of America

1980–1986


Briefly in 1980, this logo was preceded by an "Octagon 4" and a "zig-zag" 4 that looked somewhat like a cross between the 4 seen here and the logo used by Pittsburgh, Pennsylvania ABC affiliate WTAE-TV.

1995–2006


This logo also served as a template and was used for some of NBC's owned and operated television stations and for MSNBC.