Radio Hefner 6205 Khz Radio Hefner is on 6205 Khz at 1321 Utc with SINPO 24333 at SDR Twente. Email-address is radiohefner@hotmail.com. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Related