South Korea’s first ATSC 3.0 deployments arrived three years before tests in the US market were eventually promoted to permanent NextGen TV signals. Despite the two nations being trailblazers of ATSC 3.0 technologies in their own rights, cooperation on business models has been an afterthought – arguably slowing down US deployments of NextGen TV. It is only now, two years since the first US network affiliates set ATSC 3.0 in stone across Las Vegas, that Sinclair Broadcast is teaming up with two top Korean broadcasters – KBS and MBC – to jointly develop and implement NextGen TV technology and business models. Touching a nerve, Sinclair Broadcast responded to Faultline’s probing of the announcement by stressing its work with “colleagues in…