Radio Etherfreak 6425 Khz Radio Etherfreak is on 6425 Khz at 2128 Utc with SINPO 23322. Email-address webmaster@etherfreak.nl. 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