RTA4

2013
In the Summer of 2013, RTA launched a new temporary HD channel dedicated to broadcast the Asterlania 2013 Olympic Games.

2013-2015
In September 2013, RTA Olímpicos was rebranded to RTA Desporto.

2021-present
It was announced in 10th August 2021 by the administration of RTA that, due to the high costs of management and maintenance, RTA Música, RTA Desporto and RTA Crianças, will be merged into a new channel called RTA4. The channel was launched on 13th September, 2021.