The SBTVD standard (based on the Japanese standard ISDB-T) was adopted 29 June 2006 and launched on 2 November 2007. In 2007, only the greater São Paulo metropolitan area could receive the signal. Belo Horizonte and Rio de Janeiro began to receive free-to-air digital signal on April 7 and April 8, 2008, respectively. On August 4, 2008 and October 22, 2008, Goiânia and Curitiba began to receive DTV signal, respectively. Digital broadcast started at Salvador on December 2 and Campinas on December 3, 2008. The government estimated 7 years for complete signal expansion over all of the territory. Analog television is scheduled to be shut down on October 25, 2017.