Envisat ASAR IM L0 [ASA_IM__0P]

Envisat ASAR Image Mode source packets Level 0

How to Access Data

Data Service Request (Restrained)

  1. Go to the ESA User Services Portal
  2. Register or log in to EO Sign In
  3. After logging in, complete and submit the form with your proposed use of the data
  4. The request will be evaluated by ESA, which normally takes up to 2 weeks
  5. Upon successful evaluation you will receive a confirmation email, which describes the amount of data to be provided, and details of how to download the data from the Dissemination Service

Description

The ASAR Image Mode source packets Level 0 data product offers Level 0 data for possible images processing on an other processing site. It includes some mandatory information for SAR processing.

The Image Mode Level 0 product consists of time-ordered Annotated Instrument Source Packets (AISPs) collected by the instrument in Image Mode. The echo samples contained in the AISPs are compressed to 4 bits/sample using Flexible Block Adaptive Quantisation (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 possible image swaths. The Level 0 product is produced systematically for all data acquired within this mode.

This product provides a continuation of the ERS-SAR_RAW product.

Details

DATA SET SPECIFICATIONS

Digital Object Identifier (DOI):

Spatial coverage: 
90 N, -90 S, -180 W, 180 E
Temporal coverage:
2002-10-18 - 2012-04-08
Date of launch:
2002-03-01
Operators:
ESA
Mission status:
completed
Orbit height:
800 km
Orbit type:
Sun-synchronous
Swath width:
5 - 1150 km

PROCESSING LEVEL

level 0

APPLICABLE TERMS & CONDITIONS

Utilisation of this data is subject to ESA's Earth Observation Terms and Conditions

READ T&C

blue arrow DATA CITATION

European Space Agency, 2016, Envisat ASAR Image Mode L0 Product. IPF version 6.03.

RESOURCES

ASAR auxiliary data
Auxiliary Data
ASAR Products Specification - Revision C
Product Specifications
Envisat ASAR Sensor Performance, Products and Algorithms
Product Information
Envisat ASAR Science and Applications
Technical Note
More ASAR Documents
Product Specifications
ASAR Product Handbook
User Manual
ASAR Software Tools
Tools
Get Help?
ESA Earth Observation User Services Portal