OPUS: Online Positioning User Service

Help Refine the Future NSRS: Provide User Feedback

Products on this site are preliminary releases that are for testing and evaluation only; they are not final products nor do they contain any authoritative NGS data or tools. User testing is critical for a smooth operational transition. If you detect file syntax errors, mathematical distortion variance, or API query failures within these beta tools, report your data findings directly to ngs.feedback@noaa.gov.
    [ ✓ ]   BETA OPUS-S 5.2 (M-PAGES 1.1.1)    

Upload your data file.

Solve your GNSS position & tie it to the National Spatial Reference System.
What is OPUS?     FAQs


data file of dual-frequency GNSS 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

constellations GPS   GLONASS   GALILEO   BEIDOU   QZSS  
formats
base stations identify any CORS you wish to explicitly 'Use' or 'Exclude' from your solution using the     buttons        find CORS IDs
Use: Exclude:




state plane
share my solution

Data submitted via OPUS Share during the beta period will be used for testing purposes and will be deleted prior the official transition to the modernized NSRS.

By uploading data, I acknowledge the following:
  • NOAA may use my data for internal evaluations of OPUS and/or related research.
  • NOAA may share my processed results and associated metadata related to my OPUS Solution Report with the public (excluding names, email addresses, and/or other personally identifiable information).
  • Allowing NOAA to share my processed results and the associated metadata with the public (excluding any personally identifiable information) is required before NOAA may accept my data and furnish me with an OPUS Solution Report.