Many US states also have their own (free) CORS networks, primarily from transportation departments. NOAA helps keep track of them all. Not many of these are rea

Many US states also have their own (free) CORS networks, primarily from transportation departments. NOAA helps keep track of them all. Not many of these are realtime unfortunately. https://geodesy.noaa.gov/CORS/ https://geodesy.noaa.gov/CORS/ US overview: https://www.arcgis.com/apps/webappviewer/index.html?id=190385f9aadb4cf1b0dd8759893032db&extent=-30657930.8234%2C-3999003.0107%2C3507586.3314%2C12379311.914%2C102100&showLayers=17bf0a87f3a-layer-16%3B17bf0a87f38-layer-14%3B17bf0a87f36-layer-13 https://www.arcgis.com/apps/webappviewer/index.html?id=19038...