Radio Boomerang Radio Boomerang is on 6310 Khz at 1135 Utc with SINPO 45444. S=9+10dB huge signal. Plays some pop-music then CQ-calling. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Related