Products Description
Analysis/Combination centres
The GNSS data products distributed by the GNSS Data and Products EPOS Thematic Core Service originate from the following analysis/combination centres:
- INGV:More Info Instituto Nazionale di Geofisica e Vulcanologia, Italy
- LM:More Info Lantmäteriet, Sweden
- ROB-EUREF:More Info Royal Observatory of Belgium, Belgium
- SGO-EPND:More Info Satellite Geodetic Observatory, Hungary
- UGA-CNRS:More Info Université Grenoble Alpes, France
- WUT-EUREF:More Info Warsow University of Technology, Poland
Position Time Series
| Analysis Center | Processing
Strategy Purpose & Usage |
Stations & Networks
Included Softwares Reference Frames |
Updates DOI |
|---|---|---|---|
|
EPOS
UGA-CNRS
Description INGV
Description |
Precise Point Positioning Internally consistent solution well-suited for geodynamic, tectonic, seismological studies. |
All EPOS stations GipsyX, ITSA IGS20 |
Day-15 Final Day-3 Rapid 10.17178/GNSS.products.EPOS.2026 |
|
GPS-only double difference ionosphere-free (L3) combination Daily RINEX datasets are automatically subdivided into smaller sub-networks of 40 stations each (based on station density) using the NETSEL program of GAMIT/GLOBK. |
All EPOS stations GAMIT/GLOBK V10.71 IGb20 |
Yearly | |
|
EUREF
ROB-EUREF
Description WUT-EUREF
Description |
Multi-year solution based on EUREF combined daily positions Designed for the maintenance of the European Terrestrial Reference System (ETRS89). |
EPN stations CATREF IGS20 |
15 weeks 10.24414/ROB-EUREF-CWWWW |
|
Daily and Weekly combination based on double difference (mostly)
solutions Provided by 16 EPN ACs. Used by ROB-EUREF for multi-year combination. |
EPN stations Bernese, GAMIT/GLOBK, GIPSY IGb20 |
D-35 | |
|
EUREF-EPOS
SGO-EPND
Description |
Multi-year solution based on weekly combination of 30 EPND & EPOS regional solutions |
EUREF densified including all EPOS stations CATREF IGb14 |
Yearly |
Velocities
| Analysis Center | Processing Strategy Purpose & Usage |
Stations & Networks
Included Softwares Reference Frames |
Updates DOI |
|---|---|---|---|
|
EPOS
UGA-CNRS
Description INGV
Description |
Statistical Trend Estimation Internally consistent solution well-suited for geodynamic, tectonic, seismological studies. |
All EPOS stations MIDAS IGS20 |
Yearly 10.17178/GNSS.products.EPOS.2026 |
|
Statistical Trend Estimation Internally consistent solution well-suited for geodynamic, tectonic, seismological studies. |
All EPOS stations MIDAS IGb20 |
Yearly | |
|
EUREF
ROB-EUREF
Description |
Multi-year solution based on EUREF combined daily positions (provided
byWUT-EUREF) Designed for the maintenance of the European Terrestrial Reference System (ETRS89). |
EPN stations CATREF / HECTOR IGS20 |
15 weeks 10.24414/ROB-EUREF-CWWWW |
|
EUREF-EPOS
SGO-EPND
Description |
Multi-year combination solution Densified solution well-suited for geodynamic and tectonic studies |
EUREF densified including all EPOS stations CATREF / HECTOR IGb14 |
Yearly |
Strain Rates
| Analysis Center | Processing Strategy Purpose & Usage |
Stations & Networks
Included Softwares Reference Frames |
Updates DOI |
|---|---|---|---|
|
EPOS
LM
Description |
Strain rates ona regular grid (Shen et al. 2015, Anastasiou et al. 2019) This strain product can be used for geodynamic, tectonic, seismological studies. |
All EPOS stations + EUREF densified StrainWebTool |
When new EUREF-EPOS solution is available 10.23701/sr.0002 |
Offsets
| Analysis Center | Processing Strategy Purpose & Usage |
Stations & Networks
Included Softwares Reference Frames |
Updates DOI |
|---|---|---|---|
|
EPOS
UGA-CNRS
Description INGV
Description |
Statistical Trend Estimation Inputs are the time series in PBO pos format, the dates and types of discontinuities (antenna, earthquakes, slow-slip events, swarms, station coordinates (used to get earthquakes-station distance). |
All EPOS stations ITSA IGS14 |
Yearly 10.17178/GNSS.products.EPOS.2026 |
|
analyze_tseri module of the QOCA We estimate offsets associated with: - documented instrument changes (present in EPOS site log), noted as I or Instrument - earthquakes: such offsets are labelled as co-seismic in the offset json file, and as E (Earthquake) on the EPOS-GNSS products gateway. |
All EPOS stations QOCA software (Dong et al. 2006) IGS20 |
Yearly |
