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Description

Level-1A global laser pointing data (GLAH04) contain two orbits of attitude data from the spacecraft star tracker, instrument star tracker, gyro, and laser reference system, and other spacecraft attitude data required to calculate precise laser pointing.

Product Summary

Platforms
ICESat
Instruments
ALTIMETERS ,
CD ,
GLAS ,
GPS ,
GPS Receiver ,
LA ,
PC
Spatial Extent

N: 86 S: -86 E: 180 W: -180

Spatial Resolution
60 Meters to 70 Meters x 60 Meters to 70 Meters
Geographic Region
GLOBAL
Coordinate System
CARTESIAN
Granule Spatial Representation
NO_SPATIAL
Temporal Extent
2003-02-20 to 2009-10-11
Concept ID
C2153547635-NSIDC_CPRD
Data State
COMPLETE
Number of Files/Granules
4298
Processing Level
1A
Science Keywords
Attitude Characteristics ,
Viewing Geometry

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Zwally, H., Schutz, R., & Abshire, J. (2013). GLAS/ICESat L1A Global Laser Pointing Data (HDF5), Version 33 [Data set]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/ICESAT/GLAS/DATA104 Date Accessed: 2025-12-14

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