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Earth Topics (Applications)
  • Land
  • Soil


  • Snow and Ice
  • Sea Ice

  • Natural Disasters
  • Oil Slick

  • Ocean and Coast
  • Ocean Currents and Topography

    Ocean Waves

    Coastal Geomorphology

  • Water
  • Water Management

    Instrument type
    Date of Launch:
    1 March 2002
    Mission Status:
    Out of service since May 2012 
    Orbit Height:
    800 km 
    Orbit type:
    Swath Width:
    5 - 1150 km
    ASAR Alternating Polarisation Mode Co-polar Level 0
    (4643) recent views
    Last update: 30 August 2016

    This data product contains time-ordered AISPs corresponding to one of the three possible polarisation combinations: HH & HV, VV & VH and HH & VV, respectively. The echo samples in the AISPs have been compressed to 4 bits/sample using FBAQ. This is a high-rate, narrow swath mode, so data is only acquired for partial orbit segments and may be from one of seven different image swaths.

    ASA_APC_0P corresponds to the polarisation combination HH/VV= H and H received/V transmit and V received. Auxiliary data include Orbit data and time correlation parameters, PCD (Noise Measurements, Calibration Pulses P1, P1a, P2, P3, Header content of Source Packet).

    Data Size: 56-100 km across track x 100 km along track

    Data Set Specifications
    Spatial coverage: 90 N, 90 S, 180 W, 180 E
    Temporal coverage: 2002-11-15 - 2012-04-08
    Processing level
    Level 0
    How to access this data

    Data is available online upon submission of a Service Request for the (A)SAR On The Fly Service.

    For information on access and use of the On-The-Fly service please refer to the OTF FAQ page and news of 30 August 2016.

    Dataset available on EO CAT

    Terms & Conditions applicable
    Utilisation of this data is subject to ESA's Earth Observation Terms and Conditions
    Auxiliary data
    ASAR auxiliary data
    Available via SPPA


    ASAR Products Specification - Revision C


    Level 0 Instrument Source Packet Description


    ASA_APC_0P File Structure


    Envisat ASAR Science and Applications


    ASAR Product Handbook


    Product Quality Disclaimer


    More ASAR Documents