PBS continues its technology leadership with DTV.

PBS has been a technology vanguard among broadcasters since its creation in 1969. In 1972, it pioneered the development of closed captioning, and went on to win a 1980 Emmy for Outstanding Engineering Achievement for its work. In 1975, it became the first broadcast network to launch its own satellite system. And in 1990 it followed up on its closed-captioning efforts by launching the Descriptive Video Service for visually impaired viewers.

The long evolution of the nation's digital television standard and subsequent conversion to digital broadcasts (DTV) has given PBS another technical arena in which to shine. PBS first formed the Advanced Television Test Center with a six other broadcasters in 1988, …