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