Radio Merlin 6280 Khz Radio Merlin is on 6280 Khz at 0850 Utc with SINPO 33333 at SDR Twente. Still on at 1604 Utc SINPO 34333 at SDR Twente. 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