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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 - Interferometric Radiometers

    Instrument - Interferometric Radiometers

    SMOS product availability

    Short Current Year 2022 Previous Years

  • Instrument - Interferometric Radiometers

    Instrument - Interferometric Radiometers

    MIRAS

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

  • Instrument - Imaging Radars

    Instrument - Imaging Radars

    PALSAR Processor Releases

    Processor Releases The current ALOS PALSAR IPF integrated within the ESA On-The-Fly system is v4

  • Instrument - Interferometric Radiometers

    Instrument - Interferometric Radiometers

    Products Information

    For an optimal exploitation of the current SMOS L2 data set V620 consult the read-me-first notes available for V620 soil moisture data ...

  • 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 - Imaging Radars

    Instrument - Imaging Radars

    PALSAR Products Information

    Products Information ALOS PALSAR products are available via the 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. 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. 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 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 To access ESA missions and ESA Third Party Missions data, you need to create an EO Sign In account. For all other enquiries, contact ESA's User Services Portal, TellUS. 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