^a Shock Transients, Inc., PO Box 5357, Hopkins, MN 55343, USA

^b Consultant, 656 Lake Forest, Canyon Lake, TX 78133, USA

^c Century Dynamics Inc., 1001 Galaxy Way, Suite 325, Concord, CA 94520, USA

^d Consultant, St. Louis Park, MN 55416, USA

^e Smithsonian Astrophysical Observatory (SAO), 60 Garden Street, MS 5, Cambridge, MA 02138, USA

^f Space Research Institute, Auburn University, 231 Leach Science Center, Auburn, AL 36849, USA

^g NASA Marshall Space Flight Center (MSFC), ED42, Huntsville, AL 35812, USA