- Institute of Electrical and Electronics Engineers (2)
- Communications Satellite Corporation (1)
- Convention of National Societies of Electrical Engineers of Western Europe (1)
- European Conference on Electrotechnics (1)
- European Conference on Electrotechnics (8th : 1988 : Stockholm, Sweden) (1)
- Institution of Electrical Engineers. Electronics Division (1)
- International Conference on Digital Satellite Communications (1)
- International Conference on Digital Satellite Communications (6th : 1983 : Phoenix, Ariz.) (1)
- International Conference on Telecommunication Transmission into the Digital Era (1)
- International Telecommunications Satellite Organization (1)
- SEE (Project) (1)