Radio Pluto 6305 Khz Radio Pluto is on 6305 Khz at 1837 Utc with SINPO 34433. And again on air at 1916 Utc SINPO 44433: 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