Alaska Satellite Facility
Delivering Remote Sensing Data Since 1991

2008 Spring Volume 5:1 Articles:

RADARSAT-1 IPY Legacy Datasets Available

In 1952, a scientist named Lloyd Berkner recognized that the upcoming maximum in the sunspot cycle could prove to be significant to earth sciences. As a result, he proposed the first International Geophysical Year (IGY), a systematic study of the Earth, from pole to pole, that began in 1957. Modeled after the previous International Polar Years (IPY), the IGY was highly successful due to both dedicated researchers and advancements in technology.

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Faraday-Rotation Prediction Values on URSA

SAR signals that propagate through the ionosphere undergo Faraday rotation (FR), i.e., a rotation of its polarization vector. After traversing the ionosphere, vertically polarized signals exhibit both vertical and horizontal components, and received SAR data will contain cross-pol terms.

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EDG to WIST Transition

As part of the Earth Observing System (EOS) evolution initiative, the remaining installations of the EOS Data Gateway (EDG) client used by EOS Data Centers will be decommissioned this year and will be replaced by the Warehouse Inventory Search Tool, or WIST, created by the EOSDIS Clearing HOuse (ECHO) team.

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Use the ASF API for downloading SAR data via a command line.