Fundamental Data Records for Radiometry [MWR_FDR___] 1991-09
type: Dataset
keyword: DIF10
keyword: EARTH SCIENCE>ATMOSPHERE
keyword: EARTH SCIENCE>ATMOSPHERE>ATMOSPHERIC WATER VAPOR
keyword: EARTH SCIENCE>CRYOSPHERE
keyword: EARTH SCIENCE>CRYOSPHERE>SNOW/ICE
keyword: EARTH SCIENCE>AGRICULTURE
keyword: EARTH SCIENCE>AGRICULTURE>SOILS
keyword: EARTH SCIENCE>AGRICULTURE>SOILS>SOIL MOISTURE/WATER CONTENT
keyword: ERS-1
keyword: ERS-2
keyword: ENVISAT
keyword: RA
keyword: MWR
keyword: RA-2
keyword: Orthoimagery
keyword: Atmosphere
keyword: Atmospheric Water Vapour
keyword: Cryosphere
keyword: Snow and Ice
keyword: Agriculture
keyword: Soils
keyword: Soil Moisture
keyword: Sun-synchronous
keyword: 800 km
keyword: 5 - 1150 km
keyword: Radar Altimeters
keyword: Imaging Spectrometers/Radiometers
keyword: PUBLIC
keyword: ESA_open_and_free
keyword: Envisat
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description: This dataset is a Fundamental Data Record (FDR) resulting from the _$$ESA FDR4ALT project$$ https://www.fdr4alt.org/ . The Fundamental Data Record for Radiometry V1 products contain intercalibrated Top of the Atmosphere brightness temperatures at 23.8 and 36.5 GHz. The collection covers data for the ERS-1, ERS-2 and Envisat missions, and is built upon a new processing of Level 0 data, incorporating numerous improvements in terms of algorithms, flagging procedures, and corrections. Compared to existing datasets, the Radiometry FDR demonstrates notable improvements in several aspects: New solutions for instrumental effects (ERS Reflector loss, Skyhorn, and Sidelobe corrections) Native sampling rate of 7Hz with enhanced coverage The FDR4ALT products are available in NetCDF format. Free standard tools for reading NetCDF data can be used. Information for expert altimetry users is also available in a dedicated NetCDF group within the products. Please consult the _$$FDR4ALT Product User Guide$$ https://earth.esa.int/eogateway/documents/d/earth-online/fdr4alt-products-user-guide before using the data. The FDR4ALT datasets represent the new reference data for the ERS/Envisat altimetry missions, superseding any previous mission data. Users are strongly encouraged to make use of these datasets for optimal results.
temporal: PeriodOfTime
  start date: 1991-09-01T00:00:00.000Z
  end date: 1991-09-30T23:59:59.999Z
last: https://fedeo.ceos.org/series/concepts/mim/156/FDRforRadiometry/1991/09