NRK P3 Radio has not been broadcasting just for the sake of broadcasting but rather they are the kind of radio which is broadcasting for the core purpose to ensure their listeners the programs and music what they might want from a class leading online radio provider such like NRK P3 Radio.
NRK P3 Radio official website address is www.nrk.no/p3
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.