The first demo of the new technology showed positional accuracy within just a few centimetres.
A group of companies - BitPath, CAST.ERA, and ONE Media - has demonstrated successful broadcast and delivery of Enhanced GPS (eGPS) using ATSC3.0 signal. Accurate positioning is the key component in many real-life applications. The robustness and cost-efficiency of the proposed technology will be beneficial to developers of those applications.
Full article: https://www.tvtechnology.com/news/nextgen-tv-bitpath-castera-and-one-media-demo-enhanced-gps