DISH lit up a new 5G cellular network in more than 120 cities on June 14, including Grand Junction and Pueblo, meeting an early target federal regulators had set for the construction of the nation’s fourth wireless network. Whether Project Genesis, as the network is called, succeeds or fails will determine the fate of one of Colorado’s largest public companies, and could weigh heavily on Denver’s future as a center of telecommunications innovation, a legacy that goes back decades to the early days of cable television. “Through DISH’s efforts, Denver is becoming a wireless hub,” said John Swieringa, president and chief operating officer of DISH Wireless.