Radio Pluto 6380 Khz Radio Pluto is on 6380 Khz at 1423 Utc with SINPO 24322. Later at 1456 Utc better with SINPO 24333: Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Related