Radio Altrex 6305 Khz Radio Altrex is on 6305 Khz at 1710 Utc with SINPO 24322 in the Netherlands. Later also at own RX SINPO 24322 at 1812 Utc: 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