NDR 1 Niedersachsen is one of the popular radio station broadcasting almost similar kinds of online radio programs to their other radio stations but it has some of its different kinds of programs to differentiate NDR 1 Niedersachsen from other radio stations of the broadcaster.
NDR 1 NDS Hannover official website address is www.ndr.de
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.