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THEMATIC AREA

Data

Discover and download the Earth observation data you need from the broad catalogue of missions the European Space Agency operate and support.

Data Description

Swarm Ionosphere/Magnetosphere

Spherical harmonic model of the large-scale magnetospheric field and its Earth-induced counterpart, spherical harmonic model of the daily geomag...

News

Discover the latest news on the European Space Agency's Earth Observation activities. Learn all about new data availability and how ESA's missions are performing.

Scientific Highlights

Gravity Field Models from Swarm data

In addition to its geomagnetic objectives, GPS receivers onboard Swarm can and have already been exploited to measure temporal variations in Earth's global gravity field.

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Operational News

Swarm Equatorial Electric Field (EEF) Level-2 products now available

This is done by recovering a clean signal of the Equatorial Electrojet current (EEJ) and modelling the observed current to det...

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Scientific Highlights

Tug-of-war drives magnetic north sprint

One of the practical consequences of this is that the World Magnetic Model has to be updated periodically with the pole's current locat...

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Operational News

Significant improvements on Swarm Thermal Ion Imagers data

In particular, the current procedure consisting in the alternation of acquisition and rests TII orbits, make it possible to significant...

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Operational News

CASSIOPE/e-POP full data mirror on the ESA Swarm Dissemination Server

The ESA Swarm Dissemination Server is now also hosting a mirror of the CASSIOPE/e-POP full data archive (past and current observations) ...

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Missions

Explore the European Space Agency's Earth Observation satellite missions. Learn all about ESA's dedicated Earth Explorers or collaborations with other agencies through the Third Party Missions programme.

Publications
Earth Explorers

Publications

014 BibTeX Archer WE and Knudsen DJ (2018), "Distinguishing Subauroral Ion Drifts From Birkeland Current Boundary Flows", Journal of G...

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TOOLS & TOOLBOXES

Find the tools you need to visualise, analyse and process the European Space Agency's Earth observation data.

TOOLS - Other

AMPS

The Average Magnetic field and Polar current System model (AMPS) is a climatological model of polar ionospheric currents, based on magne... Read more

ACTIVITIES

Find the activities you need.

ACTIVITY - Instrument characterisation and algorithm studies

ESA satellites and instruments calibration landing page

ESA satellites and instruments calibration landing page Read more

INSTRUMENTS

Explore the many instruments the European Space Agency use to observe the Earth. ESA offer data from a wide range of optical, radar, atmospheric, altimetric and gravimetric instrumentation.

p-magnetic-field-electric-field-instruments

Earth Explorers

EFI

find out more The Average Magnetic field and Polar current System model (AMPS) is a climatological model of polar ionospheric currents,...

OTHER RESOURCES

Browse through mission documentation and reports, and learn more about European Space Agency Earth Observation projects and opportunities.

DOCUMENT - Product Document, Availability report

29 May 2020

Orbit-Evolution-of-the-Swarm-Mission.pdf

16 Outofplane Evolution DLTAN D LT A N [ h ] LTAN SwarmC SwarmA • Relative drift between B and lower pair: 0.13 h/month • Current difference: ~14.1 h – 12 h = 2.1 h ESA UNCLASSIFIED For Download