Marion County, in cooperation with the NGS Cooperative CORS system.
RINEX Data files: For an explanation of the RINEX naming convention click here.
Marion County provides thirty days of hourly observation and navigation data, available in RINEX format. The files are zipped, with one zip file per hourly observation. If you do not have a zip utility, vendor links are provided below.
NGS Coordinates
Station Log File
Geographic Coordinates
Oregon North Zone (SPC)