Zwarte Bizon 1646 Khz Zwarte Bizon is on 1646 Khz at 1604 Utc with SINPO 34433 at SDR Twente. Again on air at 1721 Utc: Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print Related