From November 1940 to June 1944 the station broadcast bilingual programming by switching over to Radio Paris for one hour each week.
Hemon focused on cultural and intellectual themes, rather than explicitly political issues.
Contributors were typically associated with the pre-war journal Gwalarn, which had been set up to promote a literary high culture in Breton.
However, racist ideas were subtly inserted into programmes which had high cultural content.
Management team: Leo Weisgerber (Director); Roparz Hemon (Programming Director); Abeozen, Jean Trécan (Studio Management) Presenters : Florian Le Roy (French speaker), Abeozen (Breton speaker), André Guellec, Guillaume Berthou, Youenn Drezen, Georges Lemée, Juliette Nizan, Job Jaffré, Yves Levot-Becot, Baillarge, Esnault.