Schweizer Fernsehen (SF; „Swiss Television“) was the German-language division of SRG SSR, in charge of production and distribution of television programmes in Switzerland for German-speaking Switzerland. It had its head office in Zürich. Its most viewed programme was Tagesschau (news), daily at 7:30 pm. It was formerly called SF DRS (Schweizer Fernsehen der deutschen und rätoromanischen Schweiz; „Swiss television of German and Romansh Switzerland“) until 2005. On 1 January 2011, Schweizer Fernsehen and Schweizer Radio DRS began the process of merging the two entities into Schweizer Radio und Fernsehen (SRF). On 16 December 2012, the merger was complete, with SF and SR DRS adopting the SRF name to their television and radio stations. 20.06.1939: First test transmissions of television. We celebrate this TV station with a scale model of the SF van …