Civic FM 6423 Khz Civic FM is on 6423 Khz at 1546 Utc with SINPO 24322. Better heard at SDR Twente SINPO 24333 at 1604 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