Complex sentence: In 1977, "The 700 Club" got on the air nationally on the newly launched Christian Broadcasting Network Cable Channel running Christian programming 24 hours a day 7 days a week, with no general entertainment, unlike CBN's broadcast stations.
Split into simpler sentences: In 1977, "The 700 Club" got on the air nationally on the newly launched Christian Broadcasting Network Cable Channel. That station only ran Christian programming 24 hours a day 7 days a week and ran no general entertainment, unlike CBN's broadcast stations.