Teletext pages from Extravision, an Antiope teletext service on KNXT-TV in Los Angeles (owned by CBS). These black & white photos are from the early trials, ca 1981. The full Extravision service began in 1983.
Teletext pages from Extravision, an Antiope teletext service on KNXT-TV in Los Angeles (owned by CBS). These black & white photos are from the early trials, ca 1981. The full Extravision service began in 1983.