GTK1

GTK1 (formerly known as Gurelurrako Telebista Kanala and GTK) is a Gurelurran free-to-air television channel owned by Gurelurrako Telebista Korporazioa (GTK). It is the flagship channel of the company and was launched on January 22, 1960, becoming the first television channel to ever operate in Gurelurra.

It is also one of the main television channels in Gurelurra, along with GTK2, GTK3, TBA, and TBA.