Like the S4, this system is the result of a joint effort between the Mexican Federal Government, Nafinsa and academic or scientific institutions such as CONACYT, Instituto Politécnico Nacional, Universidad Autónoma de Guadalajara and ITESO.
The station's logo is the emblem of the Instituto Politécnico Nacional, a university in Mexico City.
Luis says that he was from the "Poli" (Instituto Politécnico Nacional) and was running with the crowd when he felt pain in his elbow, then found out he was shot, then afterwards lost his little sister.
Club Nacional de Football | Atlético Nacional | Instituto Superior Técnico | El Nacional | Museu Nacional d'Art de Catalunya | Distrito Nacional | Liga Nacional de Fútbol de Guatemala | Jornal Nacional | Museo Nacional Centro de Arte Reina Sofía | Estádio Nacional | Dirección de Inteligencia Nacional | Club Deportivo El Nacional | Radio Nacional de España | Liga Nacional de Fútbol Profesional de Honduras | Club Universidad Nacional | Instituto Tecnológico Autónomo de México | El Nacional (Caracas) | Club Nacional | C.D. Nacional | Partido Acción Nacional | Nacional Atlético Clube Sociedade Civil Ltda. | Instituto Politécnico Nacional | Instituto Pedro Nunes | Instituto Cervantes | Escola Nacional de Belas Artes | Nacional Records | Instituto Superior de Engenharia de Coimbra | Instituto Nacional de Bellas Artes y Literatura | Colegio Nacional de Buenos Aires | Biblioteca Nacional de Chile |