Permanent NISAR Instrument Data Gap

Data Update

Issued

Aug. 28, 2026

Data Alert

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A permanent NISAR instrument data gap exists between 22:03:25 Universal Time (UTC) on July 27, 2026 and 00:55:27 UTC on August 10, 2026

Referenced Datasets

Dataset Name	Format
NISAR Ancillary and Auxiliary Data	XML, CSV, GeoPackage, HDF5, YAML
NISAR Orbit Ephemeris	XML
NISAR Provisional Geocoded Pixel Offsets (Version 1)	HDF5, XML, YAML, PNG, KML, CSV, PDF
NISAR Provisional Geocoded Polarimetric Covariance Product (Version 1)	HDF5, PNG, XML, PDF, CSV, KML, YAML
NISAR Provisional Geocoded Single Look Complex Product (Version 1)	HDF5, PNG, XML, PDF, CSV, KML, YAML
NISAR Provisional Geocoded Unwrapped Interferogram Product (Version 1)	HDF5, PNG, XML, PDF, CSV, KML, YAML
NISAR Provisional Radar Raw Signal Calibration Data (Version 1)	HDF5, YAML
NISAR Provisional Radar Raw Signal Science Data (Version 1)	HDF5, XML, PDF, YAML
NISAR Provisional Range Doppler Pixel Offsets (Version 1)	HDF5, XML, YAML, PNG, KML, CSV, PDF
NISAR Provisional Range Doppler Single Look Complex Product (Version 1)	HDF5, XML, PNG, PDF, CSV, KML, YAML
NISAR Provisional Range Doppler Unwrapped Interferogram Product (Version 1)	HDF5, XML, YAML, PNG, KML, CSV, PDF
NISAR Provisional Range Doppler Wrapped Interferogram Product (Version 1)	HDF5, XML, YAML, PNG, KML, CSV, PDF
NISAR Provisional Soil Moisture (Version 1)	HDF5, XML, YAML
NISAR Total Electron Content	JSON

Sept. 1, 2026

Aug. 28, 2026

Alaska Satellite Facility DAAC (ASF DAAC)