The final approval came from Eva Perón, who, when informed of the importation of the new equipment, said "Sí, sí, todo muy lindo pero yo lo que quiero es que televisen el acto del Día de la Lealtad" ("Yes, yes, all very good, but what I want is for them to televise the acts of Loyalty Day").

With the support of Minister of Communications Oscar Lorenzo Nicolini and the Radio Belgrano executives, preparations were made to start the first television station in Argentina.

Yankelevich imported Bell equipment, DuMont cameras, and a horizontally polarized antenna initially mounted on the MOP Building.

On September 24, 1951, Radio Belgrano announcer Fito Salinas was put behind a camera and backed by a musical group, and the first test transmissions commenced.

The first broadcast was conducted on Loyalty Day, as Eva Perón wanted, from the Plaza de Mayo; the remote cameras were connected to the studios by a cable link.

The CGT awarded her the Distinction of Recognition and to president Juan Perón the Great Peronist Medal of Extraordinary Class.

Doses of tranquilizers, administered by the education minister, were necessary to allow Eva to deliver a brief address, her final political testament, in which she mentioned her own death nine times.

On one front, the Bosch Fernseh equipment, which was still the bulk of the channel's workflow, was aging, and replacement parts and fixes were getting harder to find.

SNMP was replaced by a new entity, Radio y Televisión Argentina Sociedad del Estado, with the Audiovisual Media Law in 2009.

At the beginning of the presidency of Néstor Kirchner, the channel's management was split into fiction and non-fiction; this led to an increase in its in-house productions.

In April 2010, TV Pública launched its digital signal on UHF channel 23, in the ISDB-T standard also used by Japan and Brazil.