Featured in: Cars (2006) and its sequels
RSN (Racing Sports Network), formerly known as WRSN-TV in the 1950s, is a sports channel that covers motoring events from the famous Piston Cup, to international championships like the World Grand Prix and the Wings Around the Globe air race. It is responsible for newscasting almost every race in the Cars and Planes films.
https://worldofcarsdrivein.fandom.com/wiki/Racing_Sports_Network