Deutscher Fernsehfunk (DFF)

Deutscher Fernsehfunk (DFF; German for "German Television Broadcasting") was the state television broadcaster in the German Democratic Republic (GDR or East Germany) from 1952 to 1991.

DFF produced free-to-air terrestrial television programming approved by the ruling Socialist Unity Party of Germany (SED) and broadcast to audiences in East Germany and parts of West Germany. (Source: Wikipedia)