sponsored by Institute of Radio Engineers. sponsored by the Institution of Mechanical Engineers. sponsored by the Institution of Electrical Engineers. sponsored by the Institute of Quality Assurance. sponsored by the American Institute of Electrical Engineers. sponsored by the Institute of the Aerospace Sciences. sponsored by the Institute of Electrical and Electronic Engineers. sponsored by the Institute of Electrical and Electronics Engineers. sponsored by the Institute of the Aeronautical Sciences. sponsored by the Institute Elestrical and Electronic Engineers.