Data Set ID: 

SMAP L1B Radar Half-Orbit Time-Ordered Low-Resolution σo Data, Version 1

This Level-1B (L1B) product provides time-ordered, parsed telemetry data retrieved by the Soil Moisture Active Passive (SMAP) radar during 6:00 a.m. descending and 6:00 p.m. ascending half-orbit passes. The major contents of the product are normalized radar cross section (sigma nought) measurements that represent discrete backscatter footprints on the Earth’s surface, as well as representative backscatter measurements for a set of slices within each footprint.

Version Summary: 

First public data release

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NSIDC does not archive these data.

Geographic Coverage

  • Radar > Radar Backscatter > Sigma Nought
Spatial Coverage:
N: 85.044, 
S: -85.044, 
E: 180, 
W: -180
Spatial Resolution:
  • 1 km to 3 km x 1 km to 3 km
Temporal Coverage:
  • 5 November 2014 to 5 November 2016
Temporal Resolution: 49 minute
Data Format(s):
  • HDF5
Platform(s) SMAP Observatory
Sensor(s): SMAP L-Band Radar
Version: V1
Data Contributor(s): West, R.
Please contact the data provider for the correct Data Citation for this data set.
A user guide is not available for this data set.
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