IERS provides data on Earth rotation, reference systems, and geophysical fluids, with models, standards, and current bulletins.
Earth Orientation Center vs EUREF Permanent GNSS Network
How do Earth Orientation Center and EUREF Permanent GNSS Network compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Earth Orientation Center | EUREF Permanent GNSS Network |
|---|---|---|
| What it is | The Earth Orientation Center provides Earth orientation time series, reference series, bulletins, and related analysis resources. | The EUREF Permanent GNSS Network provides access to the European Terrestrial Reference System 89 through a network of continuously operating reference stations. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Free |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | — | English |
| Alternatives |
Other options to consider
Sites similar to both Earth Orientation Center and EUREF Permanent GNSS Network.
The Neutron Monitor Database provides real-time and historical measurements from neutron monitor stations around the world.
Italy’s National Oceanographic Data Centre is the national reference for the UNESCO oceanographic data exchange system.
NIST’s Digital Library of Mathematical Functions provides reference material on mathematical functions, with indexes, notations, and search.
The NEA Thermochemical Database project develops reference thermodynamic values for compounds relevant to radioactive waste safety and geochemical modeling.
NIST’s Handbook of Basic Atomic Spectroscopic Data provides reference data maintained by its Physical Measurement Laboratory.







