Carl L Siefring¹, Paul A Bernhardt¹, Tali Whittemore², Elliot R Mueller³, Eugene V Dao⁴, Kenneth Obenberger⁴, Michael P Sulzer⁵, Phil Perillat⁵, Andrew David Howarth⁶, Edlyn Levine⁷ and Andrew Hamilton⁸, (1)US Naval Research Laboratory, Plasma Physics Division, Washington, DC, United States, (2)US Naval Research Laboratory, Radar Division, Washington, DC, United States, (3)US Naval Research Laboratory, Washington, DC, United States, (4)Air Force Research Laboratory, Space Vehicles Directorate, Kirtland AFB, NM, United States, (5)Arecibo Observatory, Arecibo, PR, United States, (6)University of Calgary, Calgary, AB, Canada, (7)MITRE Corporation Bedford, Bedford, United States, (8)Air Force Research Lab Wright-Patterson AFB, Dayton, OH, United States