Release of Metop-A GRAS Level 1B Bending Angle Climate Data Record Release 1
Metop-A GRAS Level 1B Bending Angle Climate Data Record Release 1 available to users from November 2019.
22 January 2021
21 November 2019
This is the first release of Metop-A GRAS Level 1B Climate Data Record.
It comprises reprocessed Radio Occultation (RO) bending-angle data from the Global Navigation Satellite System (GNSS) Receiver for Atmospheric Sounding (GRAS) instrument on Metop-A, covering the period 2006-2016. The software used to perform the reprocessing is EUMETSAT’s reference RO processor (Yaros 1.4), which uses a wave-optics-based retrieval implementation.
The data record can be regarded as an FCDR (Fundamental Climate Data Record), i.e. a long-term data record of calibrated and quality-controlled sensor data, designed to allow the generation of homogeneous products that are accurate and stable enough for climate monitoring and data assimilation for re-analysis of the recent climate.
The data record has global coverage and is available in three formats: individual occultation Network Common Data Form 4 (netCDF4) files, individual occultation Binary Universal Form for the Representation of meteorological data (BUFR) files, and multiple occultation native EPS files.
Users wishing to order this Climate Data Record from our Data Centre, or wanting more information, should contact our User Service Helpdesk.
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