Radio Calypso Tentative Radio Calypso is signing on with instrumental music on 6275 Khz at 1603 Utc. SINPO 54444 in United Kingdom. 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