Telstar Radio 6420 Khz Telstar Radio is on 6420 Khz at 1705 Utc with SINPO 24333. Email-address is dutchradio48(at)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