Trimble has a similar service, called PP-RTX.[1] There are various online PPP services that can give up to CM accuracy in post-processing, but near-real-time CM

Trimble has a similar service, called PP-RTX.[1] There are various online PPP services that can give up to CM accuracy in post-processing, but near-real-time CM accuracy is still a new (and unexpected, to me) thing. As for updates, the NGS have plate models that allow you to get the shift in coordinates at any given location[2] between two moments in time. Those models are in large part based on GNSS signal recorders called continuously operating reference stations[3] (CORS) which give actual movement at locations throughout the states. For example, Bar Harbor, Maine, is moving at -0.0013 m/y north, 0.0020 m/y east, and -0.0009 m/y in elevation relative to the North American plate, and 0.0071 m/y north, -0.0153 m/y east, and 0.0001 m/y in elevation relative to the world[4]. The NGS is a remarkably good agency. See https://www.ngs.noaa.gov/TOOLS/ https://www.ngs.noaa.gov/TOOLS/ for more of their work. [1] https://trimblertx.com/ https://trimblertx.com/ [2] https://www.ngs.noaa.gov/TOOLS/Htdp/Htdp.shtml https://www.ngs.noaa.gov/TOOLS/Htdp/Htdp.shtml [3] https://www.ngs.noaa.gov/CORS/ https://www.ngs.noaa.gov/CORS/ [4] https://www.ngs.noaa.gov/cgi-cors/CorsSidebarSelect.prl?site=barh&option=Coordinates14 https://www.ngs.noaa.gov/cgi-cors/CorsSidebarSelect.prl?site...