Radio Rainbow 6325 Khz Radio Rainbow is on 6325 Khz at 1937 Utc with SINPO 23322. Also heard at SDR Twente SINPO 24333 at 1945 Utc: 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