I have logged The Voice Of Korea/KCBS Pyongyang on about 2 dozen of their frequencies 2850khz, 3250khz, 3320khz, 6070khz, 6100khz, 6170khz, 6400khz, 7220khz, 7580khz, 9425khz, 9435khz, 9445khz, 9650khz, 9665khz, 9730khz, 9875khz, 11735khz, 11910khz, 11935khz, 12015khz, 13650khz, 13760khz, 15105khz, 15180khz, 15245khz.
I can normally hear Voice Of Korea almost all day everyday at some level