Radio Marabu 6305 Khz Radio Marabu is on 6305 Khz at 1431 Utc with SINPO 24322 at SDR Twente. Also heard at own RX SINPO 24322 at 1925 Utc: 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