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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.

First MSG - Meteosat Second Generation - scientific workshop NOW

16 May 2000

Over 60 scientists are attending the first Meteosat Second Generation (MSG) Research Announcement of Opportunity Workshop at CNR Headquarters in Bologna, starting 17 May 2000.

AVHRR catalogue and quicklooks available again

12 May 2000

The AVHRR products catalogue is available again on the ESA multi-mission interactive catalogue interface. Data covers all acquisitions of the AVHRR instrument over Europe since 1982 to-day. The missions covered are NOAA n.7,9,10,11,12,14 and 15. Quicklooks can also be displayed.Open the Multi-mission Interactive Catalogue.

Enhanced interface flexibility for multi-mission catalogue

12 May 2000

Three technical novelties on the ESA Multi-Mission Product Catalogue: Upgrade of the java version (2.2), introduction of a non-java version, introduction for 'Windows 95 and 98 NT' users of an automatic browser configuration procedure (support for Swing applets).

Landsat TM product format definition- version 3

10 May 2000

A revised version of the Landsat Thematic Mapper Products Format Definition has been issued. It describes the standards used by ESA for the distribution of the Thematic Mapper instrument CCT products. Both full text and document ordering are available.

ESA Earth Observation Quarterly no: 65

31 March 2000

Envisat Satellite Integration Progress: 'Since the beginning of last year, the Envisat flight model satellite integration has moved forward steadily. The flight model payload module (the upper part of Envisat where all instruments are accommodated) was integrated in MMS/Bristol in the early part of last year and then transferred to Estec in June 1999.'

Earth Observation market development - CALL for proposals

30 March 2000

In the framework of the ESA Earth Observation Envelope Programme, ESA opens a CALL for IDEAS for the EO Market Development. Short and long term proposals are available.

DATA selection with thematic maps in DESCW catalogue

03 March 2000

It is now possible to apply special thematic parameters when searching for satellite data acquired over specific areas at specific times in the multimission DESCW catalogue. Four themes are available: vegetation type, cloudiness, precipitation and hot spots. Moreover, seven types of ERS-1 and 2 tandem pair density can be specified.

3-D quicklook demo on Product catalogue (EOLI)

25 February 2000

A 3D Quicklook (VRML) demonstration package is available in the newly released interface of the ESA/ESRIN multimission catalogue. A VRML plug-in is required. An Image Correction Applet to enhance the display of quicklook full size images has also been added. Access both features through the DETAIL button (use the EOLI interface).

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