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INSTRUMENTS

Explore the many instruments the European Space Agency use to observe the Earth. ESA offer data from a wide range of optical, radar, atmospheric, altimetric and gravimetric instrumentation.

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  • Instrument - Imaging Radars

    Instrument - Imaging Radars

    PALSAR

    The ALOS PALSAR was a successor sensor to the synthetic aperture radar on-board JERS-1.

  • Instrument - Imaging Radars

    Instrument - Imaging Radars

    PALSAR QUALITY CONTROL REPORTS

    Read more ALOS PALSAR Quality Disclaimer A small percentage of ALOS PALSAR products processed by the current installed ESA IPF are affe...

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    MIRAS

    The MIRAS instrument is a passive microwave 2-D interferometric radiometer onboard the SMOS satellite.

  • Instrument - Imaging Radars

    Instrument - Imaging Radars

    PALSAR Products Information

    Products Information ALOS PALSAR products are available via the new ESA PALSAR data On-The-Fly (OTF) processing and dissemination system. The service currently provides access from ESA's archive to the following PALSAR L1 high-resolution data products. Note that there are differences between JAXA and ESA ALOS PALSAR CEOS product formats. The ESA L1.1 is in zero-Doppler and not beam coordinates. The signal data record headers also have a different format - the ESA "L1:1" products are basically identical to L1.5 products, aside from slant range projection/pixel dimensions. Instrument mode Product Type Processing Level Description JAXA Processing Level Equivalent Fine Beam Single polarisation FBS_RAW_0P Raw data generated by every downlink segment and every band. Divided into an equivalent size to one scene. 1.0 FBS_GDH_1P Ground range Detected, Normal resolution product Was 1.5 but superseded by ESA CEOS product FBS_GEC_1P Geocoded product Was 1.5 but superseded by ESA CEOS product FBS_SLC_1P Slant range single look complex product Was 1.1 but superseded by ESA CEOS product Fine Beam Double polarisation FBD_RAW_0P Raw data generated by every downlink segment and every band. Divided into an equivalent size to one scene. 1.0 FBD_GDH_1P Ground range Detected, Normal resolution product Was 1.5 but superseded by ESA CEOS product FBD_GEC_1P Geocoded product Was 1.5 but superseded by ESA CEOS product FBD_SLC_1P Slant range single look complex product Was 1.1 but superseded by ESA CEOS product Polarimetry mode (4 polarisation) PLR_RAW_0P Raw data generated by every downlink segment and every band. Divided into an equivalent size to one scene. 1.0 PLR_GDH_1P Ground range Detected, Normal resolution product Was 1.5 but superseded by ESA CEOS product PLR_GEC_1P Geocoded product Was 1.5 but superseded by ESA CEOS product PLR_SLC_1P Slant range single look complex product Was 1.1 but superseded by ESA CEOS product ScanSAR Burst mode 1 WB1_RAW_0P Raw data generated by every downlink segment and every band. Divided into an equivalent size to one scene. 1 WB1_GDH_1P Ground range Detected, Normal resolution product Was 1.5 but superseded by ESA CEOS product WB1_GEC_1P Geocoded product Was 1.5 but superseded by ESA CEOS product ALOS products follow the standard CEOS format convention. The dataset contains all ESA acquisitions over the ADEN zone (Europe, Africa and the Middle East) plus some worldwide products received from JAXA. Further information on ADEN zones can be found in this technical note. Products Availability The PALSAR OTF system provides direct online access to ESA's ALOS PALSAR archive for ESA registered users, without the need to interface with the ESA Order Desk. Data are accessible through the ALOS PALSAR On-The-Fly web interface If users do not have an EO-SSO account on Earth Online, it is possible to create an account following the registration instructions. For any additional inquiries please contact eohelp@esa.int. Resources ESA Product Handbook ESA CEOS Product Format Specification JAXA Level 1.0 Data Format JAXA Level 1.1 and 1.5 Data Format ALOS PALSAR Quality Disclaimer