This paper presents the relayed distribution of ATSC 3.0 broadcast signals to mobile users in moving vehicles.The gateway relay featured in this work seamlessly converts received ATSC 3.0 signals into a WiFi interface.This proposal exhibits the use of an ATSC 3.0-to-WiFi gateway to amplify broadcasting media in automotive, allowing personalized experience on individual seat positions. Index Terms-ATSC 3.0, in