Radio Tidalwave 6450 Khz Radio Tidalwave is on 6450 Khz at 1933 Utc with SINPO 33333. Also received at SDR Twente SINPO 24333 at 2018 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