Rádio Zero (also called Zero) is a non-profit webradio with an academic origin and nature, based at the Instituto Superior Técnico campus in Lisbon. Its stated mission is to serve as a free access to production and broadcast of radio programs by society in general. Its programming is filled with author programmes, ranging from the conventional or informative, to the more experimental where radio is considered an artwork. Zero broadcasts online continuously. It also does temporary FM events. Rádio Zero is a founding member of Radia, an international radio network of independent radio stations. Zero Manifesto Rádio Zero is governed by the following Manifesto: Radio is a creative medium which fosters experimentalism and the development of artworks in sound format. Radio takes part in society through community-oriented contents and by promoting cultural activities. Radio presents itself as a means for the individual to access broadcast. As an apologist of freedom and creativity, Radio gives total priority to author format. Background Secção Sonora (in the 1950s) In the 1950s there was a section dedicated to classical music broadcasting through the speakers of AEIST building. In his speech at the formal sitting celebrating the centenary of AEIST, Mário Lino, the Minister of Public Works, Transportation and Communication in the 17th Constitutional Government of Portugal, mentioned that he had taken part in activities of this section while a student in Instituto Superior Técnico. Rádio Universidade Tejo (1986-1988) Rádio Universidade Tejo (RUT) was a pirate station started in 1986, that initially broadcast from the AEIST building in 99.5 MHz, and afterwards in 100.7 MHz. It was closed in 1988. RIIST (1995-2000) In 1995 a group of students at the AEIST, created a new campus radio named of Rádio Interna do IST/RIIST (IST Internal Radio), transmitting only through speakers installed in the campus. By the academic season of 1999 / 2000 it became an internet stream as well. This group disappeared in 2000. Reactivation RIIST (2004-2006) In May 2002, a group of students of IST, composed by Alexandre Rio, André Duarte, André Santos, Bartolomeu Bernardes, Bernardo Mendes, David Santos, Edgar Lopes, Joana Batista, João Aguiar, João Pina, Ricardo Ramires, Ricardo Ressureição and Tiago Carvalho, decided to reactivate the extinct RIIST. Some of them ran for the administration of the student's union AEIST (cultural and creative section), whereas others were non-official supporters of the other candidates. Despite not being elected, the whole group decided in that