It's in Champagneux that the pioneer of wireless telegraphy Roberto Clemens Galletti Di Cadilhac managed to communicate with other continents. This Italian engineer built a wireless telegraphy station before WWI and set up a huge telegraphic antenna connecting its station in Leschaux to the cliff of Saint-Maurice de Rotherens. Discover the secrets of this invention and the functioning of this gigantic device and immerse yourselves in the fascinating world of this ambitious engineer...
- Sport