Before 1980, the station broadcasting only during the day, after which it began 24-hour operations.
In 1980 it began 24-hour operations. Before 1980, the station broadcast only during the day.
Before 1980, the station broadcast only during the day. In 1980 it began 24-hour operations.
Before 1980, the station broadcast only during the day. In 1980 it began 24-hour operations.