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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 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
Understanding the Online Positioning User Service (OPUS) By leveraging the processing software used to manage the Continuously Operating Reference Station (CORS) network, OPUS improves raw GPS results to within a few centimeters of accuracy We will describe how various OPUS options work, explain typical OPUS reports and errors, and discuss emerging issues and opportunities
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)