Premier is reaching out to Northern Ireland on digital radio for the very first time.
Before today's launch listeners in Ulster could only tune in via Freeview.
The big switch-on event has happened in Belfast and Premier presenter Dana was there turn it on.
The former Eurovision winner and politician told Premier why she was excited at the prospect of broadcasting to a new country:
Father Alan McGuickan is from the Good Shepard Centre in Belfast and has been explaining why he's excited about the prospect of Premier coming to Nothern Ireland: