Radio Marconi 6400 Khz Radio Marconi is on 6400 Khz at 1110 Utc with SINPO 24433. Email-address radiomarconi(at)msn.com. 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