UNID 3900 Khz Someone plays Dance & Oldies on 3900 Khz at 1530 Utc with SINPO 44333. 1611 abprupt sign off without announcement. 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