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OPUS: the Online Positioning User Service, process your GNSS data in . . . What is OPUS? FAQs * data file of dual-frequency GPS observations sample antenna - choosing wrong may degrade your accuracy meters above your mark antenna height of your antenna's reference point * email address - your solution will be sent here Privacy Act Statement to customize your solution
OPUS Projects 5. 3 - National Oceanic and Atmospheric Administration OPUS Projects provides simple management and processing tools for your survey projects involving multiple sites and multiple occupations Advantages include: Customizable data processing via the PAGES software suite Visualization and management aids Adjustments tied to the National Spatial Reference System
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)
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
is OPUS? - National Oceanic and Atmospheric Administration OPUS-S and OPUS-RS In the case of the OPUS-S utility, its output reports what is known as the peak-to-peak error in each coordinate dimension and for the particular solu ion (see Figure 2) The peak-to-peak error is roughly 1 7 times larger than the corresponding standard deviation of the coordinates
National Oceanic and Atmospheric Administration If you process your data in less than 24 hours after collection, OPUS will use Ultra-Rapid orbits Rapid orbits, available at 17:00 UTC the next day, will offer a slight improvement in your accuracy
The Future in a Dynamic National Spatial Reference System • Currently requires ≥ 2-hour static GPS observation for post-processing Great News! There is a new User Guide with detailed instructions https: geodesy noaa gov OPUS-Projects docs Documentation pdf How to use OPUS Projects? "Hub design" recommended by NGS • Hub to project marks recommended to be ~100 km