The 40 Colombian radio network; Snail ) It is a string of Radio and Television of Colombia for the world. In the beginning was only a Radio network that covered all Colombia, and therefore all its stations in the country could be chained by frequency-modulated ( F.M. ) for example, in the news space, after which the stations in every town had its local programming. Today, CARACOL is Radio and Television, two media, the integration of its stations for the first, and for the transmission of the signal the second, do it via satellite.