The main emphasis is on the listeners preferences when it comes to the question of broadcasting various kinds of radio programs and in that sense 13SR Metalcore has been doing a really very good job in keeping the balance of their various radio programs based on their listeners preferences.
13SR Metalcore official website address is www.13sradio.com/13SRmetalcore
If the Radio is extremely choppy and stops every 5 seconds, try listen to this Radio at different time.
Not all Radio Stations function for 24 hours everyday. If you can't listen to any Radio, try to listen at different time, as the Radio Station may stop during midnight according to its own country time zone.