Current Calls

The Network of Resources (NoR) call is linked to the Open Science Earth Observation (OSEO) initiative and offers to research, development or pre commercial users which are of scientific or value adding nature the opportunity to exploit EO data collocated in a cloud environment using Resource Tier and Platform Tier Services.
The call is open to users from ESA Member States participating to the Earth Observation Envelope Program (EOEP-5).
The evaluation of eligible user requests is performed by ESA, with the subsequent sponsoring provided by ESA and the following external entities: CloudSIGMA, CREODIAS. SOBLOO.

The Open Science Earth Observation (OSEO) call offers to scientists the opportunity to exploit at no cost a full archive of EO data for science, applications and technological innovation, by offering Third Party services which exploit state of the art ICT.

The call is permanently open in priority to scientists from ESA, European Union member states and Africa until the ESA allocated resources are exhausted.

2018-03-09 00:00:00.0
ESA is pleased to announce the reopening of the Announcement of Opportunity (AO) call for the Aeolus Mission.
The objective of the current reopening is
  • to invite worldwide scientists, new groups and individuals, to participate in Aeolus CAL/VAL throughout the mission lifetime.

Please note that proposals already submitted/confirmed for the other calls released in 2007 and 2014 remain valid and do not need to be resubmitted.

Funding of the activities solicited through this AO shall be covered by national/institutional resources. As a CAL/VAL PI or co-PI, access to Aeolus product quality information will become available to you first-hand and before the official product release. Furthermore, you will be given the opportunity to quickly learn cooperate directly with other Aeolus CAL/VAL PIs and to perform joint activities.

Within the framework of its Copernicus missions, ESA is pleased to announce the Sentinel-5 Precursor Calibration and Validation Team Call (S5PVT) that aims to engage leading expertise for the Calibration and Validation of the Sentinel-5 Precursor (S5P) in the mission validation team, providing independent experimental data, analysis and recommendations to critically assess the end-to-end performance of the instrument and its products. The main payload of S5P is TROPOMI (TROPOspheric Monitoring Instrument), a push broom imaging spectrometer realized by ESA in collaboration with the Netherlands Space Office (NSO). S5P is expected to provide information on atmospheric variables in support of European policies and Copernicus services. The S5p satellite was launched on 13 October 2017 and will provide over 7 years data to the user community.

2012-08-10 00:00:00.0
In the framework of a Copernicus collaborative agreement ESA and EUMETSAT is opening a call "To engage world-class validation expertise and activities to complement Sentinel-3 routine validation activities and ensure the best possible outcomes for the Sentinel-3 Mission". The call is open to relevant and interested groups and individuals worldwide; group responses are particularly welcome.
The call is implemented as a rolling call with distinct deadlines for proposal submissions on a regular basis.

ESA is offering all scientists with the possibility to perform bulk processing and/or validation of their own algorithms exploiting the large ESA earth-observation archive together with ESA available GRID computing and
dynamic storage resources.

Past Calls

2014-11-10 00:00:00.0

The end of SPOT-5 nominal mission is foreseen at the end March, deorbitation in autumn 2015. In analogy to the previous SPOT4-Take 5 experiment, within this timeframe a new experimental phase should allow placing SPOT-5 in a 5 days cycle orbit.
Thanks to this orbit, it will be possible to acquire data over selected sites every 5 days under constant angles for duration of around 5 months over the majority of the vegetation phase (current assumed schedule 08/04/15-31/08/15). The experiment has been approved on 19 November.

In December 2014, ESA launched a call for proposals of sites in order to choose the areas for which the observation data processing cost will be funded by ESA's Earthnet program. ESA PIs submitted 60 scientific projects of different thematic areas, proposing around 100 sites. ESA has carefully evaluated these proposals and selected more than 60 sites for the acquisition plan.
2013-08-20 00:00:00.0
The European Space Agency (ESA) jointly with the Canadian Space Agency (CSA) announces the Second Call to conduct Sciences and Operational Application Research over Europe and Canada using data from RADARSAT-2 in conjunction with ESA missions. The call is open to Principal Investigators (PI)s from organization duly registered in ESA Member States or Canada. The deadline for proposal submission was 31 October 2013.
2008-01-18 00:00:00.0
The deadline for proposal submission was 10th December 2011. For full information about the Dragon 3 activities please refer to the ESA MOST/NRSCC Dragon 3 Cooperation Programme website.
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2011-02-08 00:00:00.0
This Call aimed at selecting Principal Investigators interested in the scientific exploitation of L1b and L2 data products from the Swarm mission.

3rd Swarm Science Meeting ( 19-20 June 2014).

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2009-06-15 00:00:00.0
The deadline for proposal submission was 15 June 2009.
2009-05-22 00:00:00.0
The deadline for submission of proposals was May 22, 2009 (extended to 29 May).

African scientists, technical centres and water authorities were invited to prepare and submit project proposals to participate in the Scientific Component of the second implementation period of the TIGER initiative (2009-2011).

2009-02-20 00:00:00.0
The deadline for submission of proposals was 31 March 2009 (extended from 20 February)
2008-01-18 00:00:00.0
The deadline for proposal submission was 18th January 2008
2007-06-18 00:00:00.0
The deadline for submission of proposals was 18 June 2007
2007-06-01 00:00:00.0
The deadline for submission of proposals was 1 June 2007
2007-03-31 00:00:00.0
The deadline for submission of proposals was 31st March 2007
2006-12-08 00:00:00.0
The deadline for submission of proposals was 8 December 2006
2006-09-15 00:00:00.0
The deadline for the submission of proposals in response to the IPY AO was 15 September 2006.


2006-01-15 00:00:00.0
The deadline for the submission of proposals in response to the AO for ALOS ADEN was 15 January 2006.


2005-04-15 00:00:00.0
The deadline for the submission of SMOS Calibration and Validation proposals was 15 April 2005.


2004-09-30 00:00:00.0
The deadline for proposal submission was September 30, 2004.

2004-09-24 00:00:00.0
The deadline for the submission of OMI data Calibration and Validation proposals was September 24th 2004.


2004-09-20 00:00:00.0
The deadline for submission of proposals was 20 October 2004 (extended from 20 September, 2004).
2004-06-15 00:00:00.0
The deadline for proposal submission was 15 June 2004.

2004-03-31 00:00:00.0
The deadline for submission of proposals was March 31, 2004.
2003-12-15 00:00:00.0
The deadline for proposal submission was 15th December 2003
2003-09-30 00:00:00.0
The deadline for submission of proposals was September 30 2003
2003-07-31 00:00:00.0
The deadline for submission of proposals was July 31 2003
2003-07-18 00:00:00.0
The deadline for submission of proposals was July 18, 2003.

The Cal/Val AO is now closed. The next Announcement of Opportunity will be aimed at the use of the GOCE data products for scientific applications.

2012-04-10 00:00:00.0
The deadline for the submission of ELBARA-II proposals was 20 May 2012 .
2003-04-30 00:00:00.0
The deadline for submission of proposals was 30 th April 2003.
2003-03-15 00:00:00.0
The deadline for submission of proposals was 15th March 2003.
2002-04-15 00:00:00.0
The deadline for submission of proposals was April 15, 2002. The evaluation has been completed and all the candidates have received individual communication of the evaluation result of their proposal.
1999-04-21 00:00:00.0
The deadline for submission of proposals was 21 April 1999. The evaluation has been completed and all the candidates have received individual communication of the evaluation result of their proposal. A list (pdf file) of accepted proposals is available.
1998-06-04 00:00:00.0
The deadline for submission of proposals was 4 June 1998. The evaluation has been completed and all the candidates have received individual communication of the evaluation result of their proposal.
1998-02-01 00:00:00.0
The deadline for submission of proposals was 1 February 1998. The evaluation has been completed and all the candidates have received individual communication of the evaluation result of their proposal.