ASTRA’s financial and technical models ended state-owned, language-specific television in European countries and, at the same time, broke the satellite monopoly, Eutelsat, that serviced them.

The Coronet, later SES ASTRA, (1983-1985) archive, is privately held and under review.  But there are significant interviews in the Sources  section of The History of 20th Century Telecommunications: The Development and Regulation of Telecommunications and Broadcasting that connect to these topics.