Radio Altrex 6306 Khz Radio Altrex is on 6306 Khz at 0755 Utc with SINPO 34333 in the Netherlands. 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