The GPS Satellite Profiles Archive contains derived reduced data record (RDR) topographic profiles acquired by a GPS Microterrain instrument during the earth-based 1989 Geologic Remote Sensing Field Experiment (GRSFE).

 
Citation Garvin, J., FIELD EXP E GPSM DERIVED RDR TOPOGRAPHIC PROFILES V1.0, FEXP-E-GPSM-5-RDR-TOPOGRAPHIC-PROF-V1.0, NASA Planetary Data System, 1991
Digital Object Identifier (DOI) 10.17189/1519503
Data Set Abstract A field differential Geopositional Satellite (GPS) survey team which included Jim Garvin, Jack Bufton, Bill Krabill, and Earl B. Frederick deployed a pair of Motorola Eagle II GPS receivers to the southern flanks of the feature known as Mars Hill (an alluvial boulder field superimposed on a major lobe of alluvial and colluvial material in Eastern Death Valley) on Oct. 19, 1989. The objective was to measure the 5-20 cm scale microrelief of the boulder field at pixel scales (30-50 m long transects), with vertical control to the few cm level. These microterrain profiles were to be used to help calibrate radar scattering models, and to compare with helicopter stereo data (FEXP-E-HSTP-4 RDR-TOPOGRAPHIC-PROF-V1.0) for the same location.
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    Additional Information
    Mission Information GEOLOGIC REMOTE SENSING FIELD EXPERIMENT
    Data Set Information FEXP-E-GPSM-5-RDR-TOPOGRAPHIC-PROF-V1.0
    Instrument Host Information FEXP
    Instrument Information GPSM
    Target Information EARTH