The Mogadishu-based Somali National Television is the principal national public service broadcaster. On March 18, <answer>2011</answer>, the Ministry of Information of the Transitional Federal Government began experimental broadcasts of the new TV channel. After a 20-year hiatus, the station was shortly thereafter officially re-launched on April 4, <answer>2011</answer>. SNTV broadcasts 24 hours a day, and can be viewed both within Somalia and abroad via terrestrial and satellite platforms.
What year did experimental broadcasts of Somali National Television begin?
2011