Hitmix Radio 6423 Khz Hitmix Radio is on 6423 Khz at 1610 Utc with SINPO 24333 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