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Description
Sentinel-1B Level 0 products are compressed, unprocessed radar instrument packets from the satellite launched April 25, 2016. The data includes noise, calibration, echo packets, orbit and attitude information, and was provided through the Copernicus Data Space Ecosystem. The satellite experienced an anomaly on December 23, 2021, and the mission ended August 3, 2022.
Use Cases
Generate focused radar imagery based on Level 0 raw instrument packets.
Perform calibration analysis based on internal calibration data.
Analyze satellite orbit and attitude based on auxiliary information.
Develop or test SAR processing algorithms based on unprocessed source packets.
Strengths
Provides dual polarization capability and short revisit times.
Operates in four imaging modes with resolutions down to 5 meters and coverage up to 400 kilometers.
Compression uses Flexible Dynamic Block Adaptive Quantization (FDBAQ) to allocate more bits to bright scatterers.
Limitations
Data is compressed and unprocessed, requiring decompression and focusing software to be usable.
Last updated 2021-12-24 00:00:00; freshness should be verified.
Column-level documentation is absent; field semantics must be inferred after download.
Provenance
Source
ASF via Copernicus Data Space Ecosystem and nasa_earthdata.
Collection Method
Mirrors Sentinel-1B products provided through the Copernicus Data Space Ecosystem.
Time Range
From launch (April 25, 2016) to mission end (August 3, 2022).
Geography
Global coverage from sun-synchronous polar-orbiting satellite.
Data requires decompression and processing using focusing software before it is usable.