SMEX02 Passive and Active L and S band System (PALS) Data
Entry ID: NSIDC-0183

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Abstract: This data set contains calibrated sensor measurements acquired by the Passive and Active L- and S-band (PALS) airborne microwave sensor during the Soil Moisture Experiment 2002 (SMEX02). This data set includes radiometer brightness temperatures (TB) at 1.41 and 2.69 GHz, and radar backscatter coefficients at 1.26 and 3.15 GHz, with multiple polarizations and a 45° incidence angle. The data ... View entire text
Geographic Coverage
Spatial coordinates   
  N: 42.0   S: 41.92   E: -93.4   W: -93.78

Data Set Citation
Dataset Originator/Creator: Eni Njoku
Dataset Title: SMEX02 Passive and Active L and S band System (PALS) Data
Dataset Release Date: 2003-09-30
Dataset Release Place: Boulder, CO
Dataset Publisher: National Snow and Ice Data Center (NSIDC)
Online Resource:
Temporal Coverage
Start Date: 2002-06-25
Stop Date: 2002-07-08
AIRCRAFT Ancillary Description
Data Set Progress
Originating Center
Data Center
NSIDC Distributed Active Archive Center Supplemental Info
Data Center URL:
Dataset ID: NSIDC-0183

Data Center Personnel
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at
Contact Address:
National Snow and Ice Data Center
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
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Distribution Media: FTP
Distribution Format: ASCII text files
Phone: 818-354-3693
Email: njoku at
Contact Address:
M/S 300-233
Jet Propulsion Laboratory
California Institute of Technology
4800 Oak Grove Drive
City: Pasadena
Province or State: CA
Postal Code: 91109-8099
Country: USA
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Wilson, W.J., S. H. Yueh, S. J. Dinardo, S. Chazanoff, F. K. Li, and Y. Rahmat-Samii (2001): Passive Active L- and S-band (PALS) Microwave Sensor for Ocean Salinity and Soil Moisture Measurements, IEEE Trans. Geoscience Remote Sensing 39, 1039-1048.
Creation and Review Dates
DIF Creation Date: 2003-09-19
Last DIF Revision Date: 2012-05-14
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