Radio 40 is the first and only rock radio station in the city of Kaluga. Broadcasting began on March 1, 2010 at a frequency of 105.1FM. The first song on the air of the radio station was the song "This Music Will Be Eternal" by Nautilus Pompilius. The radio station presents: the best hits of Western rock and roll, Russian rock, world-music in 50/50 format. Broadcasting is carried out around the clock. The coverage area is Kaluga, and with the advent of Internet broadcasting, radio is available all over the world. Radio 40 is one of the few regional radio stations where famous musicians are regular guests.