De Klap Radio 1620 Khz De Klap Radio is on 1620 Khz at 1355 Utc with SINPO 44444 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