Trimble Net R5 and Net R9 GNSS CORS receivers connected directly to the ODOT Network, most stations are connected with T1 connections with the balance being connected via DSL or wireless communications. Trimble GNSS Choke-Ring and Zephyre Geodetic antennas are utilized at all locations.
All stations are currently logging data at a 1-second rate. The Trimble native format data (.dat) files are available at our ftp site. ftp://cors.dot.state.oh.us/
All ODOT CORS stations are recognized by NGS (National Geodetic Survey) as being part of the National CORS Network, which is operated by NGS. RINEX CORS 1 second data is http://www.ngs.noaa.gov/CORS/download2/