MEDIA - SuperTV Compatible Computer Devices

Description extracted from Wikipedia:

Super TV was an American subscription television service operating in the Washington, D.C. and Baltimore metropolitan areas. that was owned by Subscription Television of Greater Washington, Inc. It was an early form of subscription television that was offered to prospective subscribers as either a standalone service to those that did not have access to cable television-originated premium services (such as HBO and Showtime), or as an additional viewing alternative thereto. Super TV broadcast on two television stations: WCQR channel 50 in Washington, D.C., from 1981 to 1985, and WNUV channel 54 in Baltimore, from 1982 to 1986.