Grand Alliance Chronology
- 1987 - Advisory Committee on Advanced Television Service is formed
- 1990 - Simulcast principle advocated by the FCC
- 1990 - Four competing digital HDTV systems announced
- 1992 - Systems tested at Advanced Television Test Center (ATTC)
- 1992 - All competitors announce planned improvements
- 1993 - ACATS Special Panel recommends retesting
- 1993 - Grand Alliance forms, "collaborative" phase begins
- 1994 - Grand Alliance system undergoes ATTC verification testing
- 1995 - ATSC Standard A/53 is published, incorporating Grand Alliance System
- 1996 - FCC Adopts ATSC A/53 as standard for the transmission of digital television, but excludes requirements with respect to scanning formats, aspect ratios, and lines of resolution
- 1997 - Academy of Television Arts & Sciences presents Primetime Engineering Emmy Award to Grand Alliance companies for developing and standardizing the transmission and technology for digital TV.
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