Caroline Rainbow 6207 Khz Caroline Rainbow is on 6207 Khz at 1603 Utc with SINPO 24322. A bit weaker at 1516 Utc: Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print Related