Complex sentence: Around 1975, Channel 11 branded itself as "e11even", then around 1977 used the "11 Alive" moniker (which had become popularized by fellow NBC affiliate WXIA-TV in Atlanta and WPIX in New York City).
Split into simpler sentences: Around 1975, Channel 11 branded itself as "e11even". Around 1977, WIIC used the "11 Alive" moniker (which had become popularized by fellow NBC affiliate WXIA-TV in Atlanta and WPIX in New York City).