OPUS: the Online Positioning User Service, process your GNSS data in . . . What is OPUS? NOAA's Online Positioning User Service (OPUS) provides free access to high-accuracy National Spatial Reference System (NSRS) coordinates OPUS uses the same software which computes coordinates for the nation's geodetic control marks and the NOAA CORS Network (NCN)
OPUS Projects 5. 3 NEW UPDATE OPUS Projects has been successfully updated to work in the new International Terrestrial Reference Frame of 2020 (ITRF2020) For projects created before this update that are in ITRF2014, users will not be able to process sessions
Shared solution: the Online Positioning User Service Website Owner: National Geodetic Survey Last modified by NGS OPUS Sep 30 2025 NOS Home Privacy Feedback Disclaimer USA gov Ready gov Information Quality Site Map Contact Us
6. 4. Checking Your OPUS Solution Results — OPUS Projects User Guide v2 . . . OPUS Solution results can be found in an email sent to the project manager, as well as to the email address used to upload the GNSS observation file They can also be found within the project, by clicking on the “Show File” button on the Manager’s Page, as shown in Fig 6 6
IGRS - National Oceanic and Atmospheric Administration OPUS allows users of both dual and single-frequency GPS units to process their data with respect to CORS stations within the International Terrestrial Reference Frame (ITRF)
National Geodetic Survey - Survey Marks and Datasheets Finding Survey Marks and Datasheets NGS provides Information about survey marks (including bench marks) in text datasheets or in GIS shapefiles Note some survey markers installed by other organizations may not be available through NGS To learn more about survey marks, visit our Frequently Asked Questions (FAQs) Visit here for updates to the Datasheet format Select a data format: