PALSAR_L1.1

  • SAR

Data observed by PALSAR, an L-band Synthetic Aperture Radar (SAR) on board “Daichi (ALOS)” developed by JAXA.
SAR can capture images under the same conditions as it observes the reflections of the radio waves emitted by itself. It actively emits radio waves, allowing it to observe the Earth’s surface without being limited by day or night conditions. Furthermore, since radio waves can penetrate clouds, surface observations are possible even in areas with cloud cover.

Satellite (sensor) information
Satellite ALOS
Sensor PALSAR
Provider JAXA
Satellite operational period January 2006 to April 2011 (End of operation)
Sensor overview *1 - Resolution: 10-100 m
- Swath: 40-350 km

* For more details, search on Tellus Satellite Data Traveler and see the scene details for each piece of data.
Wavelength of sensor *2 L-Band

* For more details, search on Tellus Satellite Data Traveler and see the scene details for each piece of data.
Reference https://www.eorc.jaxa.jp/ALOS/en/alos/sensor/palsar_e.htm
Tellus available data information
Public availability status on Tellus (Period) 2006-2011
Public availability status on Tellus (Region) Japan
Asia excluding Japan
Oceania
Europe
North America
South America
Africa
Need to purchase Can be used without purchase
Environment in which data can be accessed *3 This can be used outside the Tellus environment
Data formatting CEOS
COG data availability No
Notes L1.1 data is complex data on the slant range after range compression and single-look azimuth compression.
The data forms the basis for subsequent processing as it contains phase information.
Examples/reference
Terms of use https://www.tellusxdp.com/traveler/dataset/8836ec9a-35b5-43c3-92be-263498061e91/

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Data set details - Tellus Traveler

Notes when using

  • - You can use your derivative works generated in Tellus as you need. Refer here for more information.
  • - Some data prohibits copying the original data to use outside of Tellus including just a part of, or formatted data that can be restored back to the original.
  • - When using data in your own environment outside of Tellus, please notice that some of the data prohibit the usage or downloading. Please make sure to read the data details page.
  • - You need an agreement in advance for commercial use. Please inquire Tellus office.

Reference for terms

*1 Sensor overview
The basics of satellite data — What it tells us, types, observation interval, resolution and use cases
*2 Wavelength of sensor
Basics of Synthetic Aperture Radar (SAR) - You can learn use cases, observation target, sensors, satellite, and wavelength - Sorabatake
*3 Environment in which data can be accessed
Available only in Tellus: You can use data only in Tellus for either development or analysis environment.
Available from outside Tellus: You can use data in your own environment through downloading and/or API.