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<p>As a result of a recommendation at the Atmospheric Composition Validation and Evolution workshop held on 13-15 March 2013, representatives from the atmospheric composition and optical Level 1 communities participated in a meeting in June 2013 to discuss how to integrate the latest findings on Level 1 activities into the upcoming reprocessing campaigns of ERS1/ERS-2/Envisat and to support scientific research, the EO applications and exploitation community, ESA programmes, to prepare for the Sentinels operations phase and draw together lessons learned for future missions.</p>

<p id="aui_3_4_0_1_1358">The presentations and the meeting report are available below.<br />
&nbsp;</p>
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			<td colspan="3" style="background-color: #2856a0; color: white; text-align:center;"><strong>Monday June 10, 2013</strong><br />
			&nbsp;</td>
		</tr>
		<tr>
			<td><a href="/eogateway/documents/20142/37627/Dehn_EO_L1_Lesson_learned_objectives.pdf/d5f1457a-45b9-4ff0-0953-26a9e35dd220">Welcome and Objectives of the meeting</a></td>
			<td>B. Bojkov - A. Dehn</td>
		</tr>
		<tr>
			<td><a href="/eogateway/documents/20142/37627/Bojkov_On_Data_Quality_in_the_generation_of_products.pdf/204a83fa-b68d-c55f-7b51-e417055d3baf">On data quality in the generation of products, tools, and services</a></td>
			<td>B. Bojkov</td>
		</tr>
		<tr>
			<td><a href="/eogateway/documents/20142/37627/Bojkov_GS_algorithm_review_process_proposal.pdf/4070dd1d-7dfe-a4d2-a134-83001f121c60">G/S algorithm review process – a proposal</a></td>
			<td>B. Bojkov</td>
		</tr>
		<tr>
			<td><a href="/eogateway/documents/20142/37627/Loyola_Lessons_Learned_UVN_spectrometers_Multi_sensors_ECV_generation.pdf/a3f72d4b-4a1d-ebaa-ec19-d13a40201e01">Lessons Learned from multi-sensor ECV generation</a></td>
			<td>D. Loyola</td>
		</tr>
		<tr>
			<td><a href="/eogateway/documents/20142/37627/Krijger_GOME_SCIAMACHY_Lesson_learned.pdf/ba9d888b-051a-8b9f-5fbc-668631b4d7d0">SCIAMACHY/GOME experiences and lessons learned</a></td>
			<td>R. Snel</td>
		</tr>
		<tr>
			<td><a href="/eogateway/documents/20142/37627/FOX_ensuring_traceability_of_L1_optical_radiometric_product.pdf/2be11797-0674-6a19-fde3-2a19ba7a94bd">Ensuring Traceability of Level 1 optical products</a></td>
			<td>N. Fox</td>
		</tr>
		<tr>
			<td><a href="/eogateway/documents/20142/37627/Bourg_MERIS_OLCI_Calibration_lessons_learnt_from_MERIS.pdf/717efedb-9b3d-c035-e344-116819e53091">In-Flight lessons from MERIS and prelaunch calibration of OLCI</a></td>
			<td>L. Bourg</td>
		</tr>
		<tr>
			<td><a href="/eogateway/documents/20142/37627/Smith_Lesson_learned_from_AATSR_and_SLSTR_prelaunch_cal.pdf/5e9e0f51-876c-e6f2-45b0-a0e9b9a6e0fc">Lessons learned from (A)ATSR and prelaunch calibration of SLSTR</a></td>
			<td>D. Smith</td>
		</tr>
	</tbody>
</table>

<p>&nbsp;</p>

<table border="1" cellpadding="1" cellspacing="1">
	<tbody id="aui_3_4_0_1_1633">
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			<th>
			<h3>Tuesday June 11, 2013</h3>
			</th>
			<th>&nbsp;</th>
		</tr>
		<tr id="aui_3_4_0_1_1632">
			<td id="aui_3_4_0_1_1631"><a href="/eogateway/documents/20142/37627/Henri_MultiSensors_Vicarious_Calibration_activities_at_CNES.pdf/999db1f6-d1fb-e528-9956-4999fed402e2" id="aui_3_4_0_1_1630" target="_blank">Multi Sensor Vicarious Calibration Activities at CNES</a>&nbsp;<a href="https://earth.esa.int/documents/700255/2110230/Henri_MultiSensors_Vicarious_Calibration_activities_at_CNES_pt2.pdf" target="_blank">Pt 2</a></td>
			<td>P.Henry</td>
		</tr>
		<tr id="aui_3_4_0_1_1654">
			<td id="aui_3_4_0_1_1653"><a href="/eogateway/documents/20142/37627/Fisher_Inflight_spectral_calibration_of_MERIS_OLCI.pdf/9df71998-9cf0-c9e6-a0be-dd646512296e" id="aui_3_4_0_1_1652" target="_blank">Experiences with spectral calibration</a></td>
			<td>J. Fisher</td>
		</tr>
		<tr id="aui_3_4_0_1_1672">
			<td id="aui_3_4_0_1_1671"><a href="/eogateway/documents/20142/37627/Bramstedt_Instrument_Pointing_issues_on_ENVISAT.pdf/864ce58b-d80e-12df-2edd-722dee345b1f" id="aui_3_4_0_1_1670" target="_blank">Instrument Pointing Issues on Envisat</a></td>
			<td>K. Bramstedt</td>
		</tr>
		<tr id="aui_3_4_0_1_1692">
			<td id="aui_3_4_0_1_1691"><a href="/eogateway/documents/20142/37627/Lang_Calibrating_raw_data_from_GOME2_METOP_lesson_learned.pdf/053235ea-1898-0b28-ae6b-b96fdf796236" id="aui_3_4_0_1_1690" target="_blank">MetOp GOME-2 lessons learned</a></td>
			<td>R. Lang</td>
		</tr>
		<tr id="aui_3_4_0_1_1711">
			<td id="aui_3_4_0_1_1710"><a href="/eogateway/documents/20142/37627/Kleipool_L1_Lessons_Learned_from_OMU_and_TROPOMI.pdf/d7674714-3763-6245-8909-57f3eea72beb" id="aui_3_4_0_1_1709" target="_blank">OMI and TropOMI leassons learned</a></td>
			<td>Q. Kleipool</td>
		</tr>
		<tr id="aui_3_4_0_1_1731">
			<td id="aui_3_4_0_1_1730"><a href="/eogateway/documents/20142/37627/Barrot_GOMOS_pointing_accuracy.pdf/13735abb-c2a3-7279-6f2b-ba31d41da2da" id="aui_3_4_0_1_1729" target="_blank">GOMOS Pointing Accuracy - Lesson Learnt</a></td>
			<td>G. Barrot</td>
		</tr>
	</tbody>
</table>

<p>&nbsp;</p>

<p id="aui_3_4_0_1_1751">Minutes of the Meeting is available&nbsp;<a href="/eogateway/documents/20142/37627/Minutes-of-Level-1-WG_10-11-June-2013-V7.pdf/ec0ef6e2-300f-d490-3535-9a537985da56" id="aui_3_4_0_1_1750" target="_blank">here</a></p>

ESA has invited Earth observation experts to devise and propose innovative applications for data delivered by Argentinian remote sensing constellation SAOCOM. 

Researchers called to explore new applications of SAOCOM data

An extension of the GRACE Follow-On dataset for thermosphere density has been published on the Swarm dissemination server.

Additional GRACE-FO Density dataset available

As New Space providers continue to strengthen the worldwide offering of remote sensing data, ESA supports the harmonisation of calibration activities and development of reference calibration and validation (Cal/Val) sites.

New Space harmonisation drives development of reference calibration and validation networks

Following the regeneration of L1B magnetic data after the VFM anomaly registered on Swarm Bravo on January 2022, we inform all Swarm users that the Field Aligned Current (FAC) L2 products have been regenerated as well.

Swarm Bravo: regenerated FAC L2 products from 10 to 16 January 2022

We are pleased to inform Aeolus users that 3232 Level 2A products in Baseline 11 that were not previously released are now available for browsing and download on the Aeolus Dissemination server.

Aeolus Level-2A old Baseline-11 data now publicly available

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EO Level1 Lessons Learned Workshop

Tuesday June 11, 2013

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Monday June 10, 2013
Welcome and Objectives of the meeting	B. Bojkov - A. Dehn
On data quality in the generation of products, tools, and services	B. Bojkov
G/S algorithm review process – a proposal	B. Bojkov
Lessons Learned from multi-sensor ECV generation	D. Loyola
SCIAMACHY/GOME experiences and lessons learned	R. Snel
Ensuring Traceability of Level 1 optical products	N. Fox
In-Flight lessons from MERIS and prelaunch calibration of OLCI	L. Bourg
Lessons learned from (A)ATSR and prelaunch calibration of SLSTR	D. Smith

Tuesday June 11, 2013
Multi Sensor Vicarious Calibration Activities at CNES Pt 2	P.Henry
Experiences with spectral calibration	J. Fisher
Instrument Pointing Issues on Envisat	K. Bramstedt
MetOp GOME-2 lessons learned	R. Lang
OMI and TropOMI leassons learned	Q. Kleipool
GOMOS Pointing Accuracy - Lesson Learnt	G. Barrot