Data Set ID: 

SMAP L1C Radar Half-Orbit High-Resolution σo Data on 1 km Swath Grid, Version 1

This Level-1C (L1C) 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 multilooked into 1 km square instrument swath-based grid cells where the center line of the grid corresponds to the path of the spacecraft nadir on the Earth’s surface.

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:
  • 15 April 2015 to 7 July 2015
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.
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