GRAS Level 1B - Metop - Global

Abstract:
The GNSS (Global Navigation Satellite System) Receiver for Atmospheric Sounding (GRAS) probes the vertical profile of the atmosphere by observing GPS (Global Positioning Satellite) in a limb sounding geometry. GRAS observes rising and setting occultations in velocity and anti-velocity direction, providing a minimum of 500 profiles per day with high vertical resolution. The GRAS GDS Level 1B product contains profiles of bending angle over impact parameter. Level 2 products providing refractivity profiles over altitude, covering the stratosphere and troposphere are available from EUMETSAT ROM SAF. Such products can be further processed to derive temperature or humidity profiles. Metop-A data are available in the Data Centre up to 15/11/2021.

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Metadata Information

General

General information section
Attribute	Value
fileIdentifier/identifier	urn:x-wmo:md:int.eumetsat:EO:EUM:DAT:METOP:GRASL1
language	eng
characterSet	utf8
hierarchyLevel	series
hierarchyLevelName	theme.par.Atmosphere dis.EUMETCast-Europe dis.EUMETCast-Terrestrial dis.EUMETSAT Data Centre dis.GTS sat.Metop sat.Metop.GRAS
contact	see section contact (role: pointOfContact)
dateStamp	2024-01-18
metadataStandardName	WMO Core Metadata Profile of ISO 19115 (WMO Core), 2003/Cor.1:2006 (ISO 19115), 2007 (ISO/TS 19139)
metadataStandardVersion	1.3
referenceSystemInfo
metadataExtensionInfo

identificationInfo

Identification information section
Attribute	Value
citation	title: GRAS Level 1B - Metop - Global dates: creation: 2009-03-23 revision: 2010-12-10 fileIdentifier: EO:EUM:DAT:METOP:GRASL1 (CodeSpace: ) citedResponsibleParty: see section contact (role: distributor) presentationForm: otherCitationDetails:
abstract	see above
status	onGoing
purpose
pointOfContact	see section contact (role: originator)
graphicOverview
resourceMaintenance	maintenanceAndUpdateFrequency: updateScope: maintenanceNote:
descriptiveKeywords:	theme: Atmosphere theme: satelliteObservation dataCentre: OriginatingCentre
resourceConstraints	MD_Constraints: useLimitation: MD_LegalConstraints: accessConstraints: copyright useConstraints: copyright otherConstraints: WMOOther
language	eng
characterSet	utf8
topicCategory	climatologyMeteorologyAtmosphere
extent	boundingExtent description: geographicElement: westBoundLongitude: eastBoundLongitude: southBoundLatitude: northBoundLatitude: temporalElement: beginPosition: endPosition: (indeterminatePosition = )

Contact

Role: pointOfContact

Contact information section
Attribute	Value
individualName	European Organisation for the Exploitation of Meteorological Satellites
organisationName	EUMETSAT
contactInfo	address: EUMETSAT Allee 1 64295Darmstadt Germany email: ops@eumetsat.int

Role: distributor

Attribute	Value
individualName	European Organisation for the Exploitation of Meteorological Satellites
organisationName	EUMETSAT
positionName
contactInfo	address: EUMETSAT Allee 1 64295Darmstadt Germany phone: +49(0)6151-807 3660/3770 email: ops@eumetsat.int onlineResource: http://www.eumetsat.inti

Role: originator

Originator information section
Attribute	Value
organisationName	EUMETSAT
contactInfo	phone: +49(0)6151-807 3660/3770 facsimile: +49(0)6151-807 3790 address: EUMETSAT Allee 1 64295Darmstadt Germany email: ops@eumetsat.int onlineResource: http://www.eumetsat.int

contentInfo

Content information section
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CoverageDescription:	attributeDescription contentType

distributionInfo

Distribution information section
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distributionFormat	name: version: (gco:nilReason=) specification:
transferOptions (onLine)	linkage/ URL: https://navigator.eumetsat.int/product/EO:EUM:DAT:METOP:GRASL1 protocol: http name: EUMETSAT Product Navigator (Metadata) description:

dataQualityInfo

Data Quality information section
Attribute	Value
scope	series
report	title: date (): explanation: pass:
lineage	statement: - processStep: