Radio Delta 6875 Khz Radio Delta is on 6875 Khz at 0909 Utc with SINPO 24333 in the Netherlands. Old recording from the 70th. 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