See: Martin Shough, “6-11. Anomalous propagation,” in Anomalous Echoes Captured by a B-52 Airborne Radarscope Camera: A Preliminary Report. A complete National Climatic Data Center rawinsonde dataset for 0000 hrs. and 1200 hrs., 24 Oct 1968, Bismarck, ND, is included as Endnote #10.