OPUS: Online Positioning User Service

Try BETA OPUS-S v5.0.0 to process GLONASS, Galileo, Beidou, QZSS, and preview new report formats!
 
    [ ✓ ]   This BETA OPUS-Static v5.0.1 will be removed in the near future    
Sign up for our NGS News email list to be notified when an updated BETA version of the Modernized OPUS-Static is released for testing which will feature an upgraded multi-GNSS processor and new network-based simultaneous adjustment of baselines.
 

Upload your data file.

Solve your GPS position & tie it to the National Spatial Reference System.
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.

formats   formats explained
base stations Use:                 Exclude:
       
identify any CORS you wish to explicitly 'Use' or 'Exclude' from your solution by typing in 4-char site IDs separated with line break
  -- sample
  -- find site IDs
  -- NCN PloTS
state plane
  your  SPCS zone
project identifier
enter the id provided by your project manager
my profile customize OPUS defaults for future solutions
share my solution sharing explained

for data 15 min. - 2 hrs.       for data 2 hrs. - 48 hrs.


* required fields
We may use your data for internal evaluations of OPUS use, accuracy, or related research.