 NOS was founded as TVCabo in 1994, and was the third cable operator to be founded in Portugal (the first was the regional Cabo TV Madeirense, which was founded in 1992, followed by Bragatel early on in 1994).The first customer was connecter in November 1994.Initially the channel offer consisted of thirty channels and the number of Portuguese-speaking channels was initially limited to the terrestrial channels, with the number of Portuguese-speaking channels increasing as the years went on.