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Payload Data Segment (PDS)

10 January 2001

The PDS version 3, supporting the latest satellite configuration, the latest Envisat Reference Operation Plan and the latest GS hardware and software, is within its integration and validation phase. The PDS V3 is scheduled to be delivered by the Prime in April 2001.

Flight Operations Segment (FOS)

05 January 2001

The FOS system is almost operational, and has been used to support the Satellite test at Estec (SVT2).The FOS team is completing the Flight Operations Procedures and preparing the simulation campaign, rehearsing the operations during the Launch, Leop, commissioning and routine phases.

Flight Operations Segment- SVT2

10 November 2000

The development and integration of the Flight Operations Segment (FOS) is proceeding according to plan. Preparations for the SVT2 complementary tests, scheduled for November 2000, are ongoing.

ERS-Envisat symposium: Gothenburg 16-20 Oct

16 October 2000

'Looking down to earth in the New Millennium' More details of the Symposium, are now available.

Earth Observation Exploitation Projects: more web support services

13 October 2000

For an enhanced user(*) support, summaries of past and on-going ERS and ENVISAT applications projects, basic information on the way how to submit new Earth Observation (EO) exploitation projects to ESA , reporting instructions on the projects, reporting on the web, full-text of the ESA EO data policy, prices pages have been renewed or newly implemented. Permanent access from this site in Missions branch, Catalogues and Applications Branches.(*) falling within the Category 1 data as defined by the new ESA Data Policy.

Disman a database on DISASTER Management

04 October 2000

Aimed at helping the identification of organisations playing a key role in the different phases of disaster management in 18 countries, the DISMAN database created under the aegis of the European Space Agency is available now. Technical note: in case access to the database is denied to you, please refer to the DISMAN technical news

ERS/ENVISAT symposium now imminent

02 October 2000

The fourth Scientific Symposium - jointly hosted by ESA and Chalmers University of Technology meant to cover both the ERS and ENVISAT missions and announced on these pages at earlier stages is now imminent. The Gothenburg event, Sweden, will be held from 16 to 20 October 2000. The symposium is an illustration of the ESA support to the development of Earth Observation along three main three lines: Science & Methodology, Development of Applications / Public Services and Development of the commercial market for Earth Observation-based Services.

DESCW catalogue: Interferometry Baseline daily

02 August 2000

Baseline information (precise satellite positioning) for all ERS-2 orbits since 26001(10 April 2000) up to the ones acquired the day before the extraction of the file can now be obtained daily (day_base.exe in DESCW Update page). N.B. The weekly inventory information (data.exe in DESCW update page) contains the same information, but updated at a lower frequency.

ESA Earth Observation Quarterly no: 66

31 July 2000

The Envisat Calibration and Validation Approach:
'Following internationally agreed definitions, instrument and data calibration involves pre-launch and post-launch measurements to fully characterise the payload instruments, and subsequent activities to configure the ground processors to provide calibrated data products (radiance, reflectance, transmittance, polarisation, radar backscattering coefficient, radar echo time delay).'

Ground segment overall validation

28 May 2000

The verification and validation of each one of the Envisat Ground Segment components and interfaces started with the verification (compatibility tests) of the major interfaces.

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