OSCAR/Requirements is the official repository of user requirements for observation of physical variables in support of WMO Programmes and co-sponsored programmes. The requirements are maintained by the focal points designated for each application area.
It is the foundation of the Rolling Requirements Review (RRR) process overviewed the Expert Team on Evolution of Global Observing Systems (ET-EGOS) of CBS. (More information)

OSCAR/SPace is a resource provided by WMO in support of Earth Observation studies and global satellite mission coordination. Satellite systems and plans are evolving. The information contained in OSCAR is updated on by the WMO Secretariat to the best of its knowledge, with the support of space agencies.
The assessments contained in OSCAR were performed according to objective criteria, based on instrument design characteristics, and submitted to validation by international expert teams (mainly the WMO/CBS. Expert Team on Satellite Systems ET-SAT). These assessments only reflect a relative, and generally qualitative, evaluation. This general, first level analysis does not replace a detailed analysis of instrument performances or of the quality of derived environmental data records for a specific user application.

The application makes use of geographic data and imagery from third party providers. This information is provided for information purrposes only, it does not imply endorsement by WMO

Neither WMO, nor the space agencies, nor any of their employees or contractors, make any warranty on the data contents, express or implied, including warranties of merchantability and fitness for a particular purpose, or any assumed legal liability for the accuracy, completeness, or usefulness, of this information.

All information available on these pages may be used and redistributed freely, however, any publication using this information should acknowledge WMO.

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The information will be used internally only for web site traffic analysis. WMO, however, assumes no responsibility for the security of this information.