Minimize What is Swarm?
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Swarm is the fifth Earth Explorer mission approved in ESA's Living Planet Programme, and was successfully launched on 22 November 2013.

The objective of the Swarm mission is to provide the best-ever survey of the geomagnetic field and its temporal evolution as well as the electric field in the atmosphere using a constellation of 3 identical satellites carrying sophisticated magnetometers and electric field instruments.

Minimize Latest Mission Operations News

New Swarm auxiliary observatory data products available

05 December 2016

Files which aggregate definitive and close-to-definitive global observatory hourly mean, minute mean and 1-second data in convenient formats and same coordinate system as the Swarm data are now available from

Swarm Science Meeting and Geodetic Missions Workshop

24 November 2016

The Fourth Swarm Science Meeting and the accompanying Geodetic Missions Workshop are organised at the Park Lodge Hotel in Banff, Alberta, Canada from 20 to 24 March 2017. This is a reminder for all users interested in participating to the event that the deadline for abstract submission - 04 December 2016 - is approaching fast.

Swarm MAGB_LR_1B data from 26 to 29 April 2016 now available

22 November 2016

With reference to the news published on 04 May 2016 we inform the users that the Swarm MAGB_LR_1B data for the days from 26 to 29 April 2016 have been generated and now can be found in the "Current" folder of the ESA ftp server.

Minimize Latest Mission Results News
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Swarm reveals why satellites lose track

28 October 2016

Satellite engineers have been puzzling over why GPS navigation systems on low-orbiting satellites like ESA's Swarm sometimes black out when they fly over the equator between Africa and South America. Thanks to Swarm, it appears 'thunderstorms' in the ionosphere are to blame.

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Magnetic oceans and electric Earth

04 October 2016

Oceans might not be thought of as magnetic, but they make a tiny contribution to our planet's protective magnetic shield. Remarkably, ESA's Swarm satellites have not only measured this extremely faint field, but have also led to new discoveries about the electrical nature of inner Earth.