Radio Osaka 6305 Khz Radio Osaka is on 6305 Khz at 1650 Utc with SINPO 24333. Moved from 6285 Khz to avoid Rainbow on 6289 Khz. 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