Digital HDTV Grand Alliance Timeline

1969-01-01 23:59:59

Work on HDTV Begins

Work on HDTV begins at NHK

1982-01-01 23:59:59


NHK HDT demonstration at SMPTE

1983-01-01 00:00:00

Analog HDTV System Development

HDTV system development is a worldwide research topic.Japan and Europe launch massive projects to develop HDTV.

1987-01-01 23:59:59


Broadcasters petition FCC FCC forms ACATS

1989-01-01 23:59:59

Many Systems

over 20 systems

1990-01-01 23:59:59

The Bar is Raised

FCC Chairman Al SIkes raises the bar

1990-06-01 23:59:59


General Instrument announce DigiCipher

1990-10-01 23:59:59


The ATRC announce Advanced Digital HDTV

1990-12-01 23:59:59

ATA Progressive

ATA progressive

1990-12-01 23:59:59


Zenith and AT&T announce Digital Spectrum Compatible HDTV. They emphasize the concept of simulcast and the need for low interference between analog and digital signals.

1992-01-01 23:59:59



1993-01-01 23:59:59

Special Panel

ACATS Special Panel convenes to select the winning system. It concludes that the four digital systems are superior to the two analog systems.

1993-05-24 00:00:00

Formation of the Grand Alliance

Proponents of the four digital systems join forces and form the Digital HDTV Grand Alliance.

1993-05-25 00:00:00

System Design

System design

1994-04-25 00:00:00

NAB 1994

Enter story info here

1995-01-01 00:00:00

System Integration

Sarnoff Field Lab

1995-04-10 00:00:00

World Premiere at NAB 1995

World premiere

1995-04-11 00:00:00

GA-HDTV System Testing


1995-09-24 00:00:00

ATSC Standard

ATSC standard

1996-01-01 00:00:00


Controversy CICATS

1996-04-01 00:00:00

HDTV Model Station

WHDTV model station at NBC's WRC television station in Washington, DC

1996-09-25 00:00:00

ACATS Recommendation

Reccomends that FCC adopt ATSC standard

1996-11-25 00:00:00


Commissioner Ness encourages negotiation. The meeting in Denver

1996-12-24 00:00:00

FCC Approval

The FCC approves the ATSC for broadcasting

1998-01-01 00:00:00


Consumer receivers for sale

1999-04-11 00:00:00

FCC Requirements

FCC establishes a schedule for broadcast on-air deadlines.

2002-04-01 00:00:00

Receiver Adoption

Receivers adopted in 10% US households.

2006-04-01 00:00:00

More Receiver Adoption

Receivers in 50% US households

2008-04-01 00:00:00

Converter Box Program

In order to facilitate the end of analog broadcasting, the US Government creates a subsidy program for low-cost set-top receivers. Consumers can request two discount coupons that may be applied towards the cost of a converter box.

2009-06-12 00:00:00

Analog Shutdown

End of NTSC broadcasting by full power TV stations.

2018-05-24 00:00:00

Prolog - Grand Alliance 25th Anniversary


Digital HDTV Grand Alliance Timeline

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