Bundle Information
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IDENTIFIER |
urn:nasa:pds:a17sep::1.0
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NAME |
Apollo 17 Surface Electrical Properties Experiment Calibrated ASCII Data Bundle
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TYPE |
Archive
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DESCRIPTION |
This bundle contains two comma-delimited ASCII files of calibrated lunar surface
electromagnetic field and navigation (range) data from the Surface Electrical Properties (SEP)
Experiment at the Apollo 17 landing site for the time span of 11-13 December 1972. One file
contains straightened science and navigation (range) data; the other file contains only
unstraightened science data. These data were extracted from binary files held on magnetic tape
at the NASA Space Science Data Coordinated Archive as data set PSPG-00559, then reformatted to
ASCII. This bundle also contains a high-resolution digital reproduction of the SEP final
technical report that contains plots of the complete set of processed lunar field data, as
decibal values versus range, and explanations the data processing and calibration techniques
implemented by the SEP instrument team.
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SEARCH/ACCESS DATA |
Apollo 17 Surface Electrical Properties Experiment Calibrated ASCII Data Online
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Citation |
DIGITAL OBJECT IDENTIFIER (DOI) |
10.17189/1518359
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AUTHOR LIST |
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EDITOR LIST |
Williams, D.R.; McLaughlin, S.A.
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PUBLICATION YEAR |
2019
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DESCRIPTION |
This bundle contains two comma-delimited ASCII files of calibrated lunar surface
electromagnetic field and navigation (range) data from the Surface Electrical Properties (SEP)
Experiment at the Apollo 17 landing site for the time span of 11-13 December 1972. One file
contains straightened science and navigation (range) data; the other file contains only
unstraightened science data. These data were extracted from binary files held on magnetic tape
at the NASA Space Science Data Coordinated Archive as data set PSPG-00559, then reformatted to
ASCII. This bundle also contains a high-resolution digital reproduction of the SEP final
technical report that contains plots of the complete set of processed lunar field data, as
decibal values versus range, and explanations the data processing and calibration techniques
implemented by the SEP instrument team.
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Context |
START DATE TIME |
1972-12-11T12:00:00.000Z
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STOP DATE TIME |
1977-12-13T12:00:00.000Z
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LOCAL MEAN SOLAR TIME |
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LOCAL TRUE SOLAR TIME |
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SOLAR LONGITUDE |
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PRIMARY RESULT PURPOSE |
SCIENCE
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PRIMARY RESULT PROCESSING LEVEL |
Calibrated
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PRIMARY RESULT DESCRIPTION |
Calibrated lunar electromagnetic science data and navigation (range) data from
the Surface Electrical Properties (SEP) Experiment at the Apollo 17 landing site for the time
span of 11-13 December 1972, along with a high-resolution digital reproduction of the SEP
final technical report that contains plots of the complete set of processed lunar field data,
as decibal values versus range. The SEP experiment consisted o two stationary, orthogonal,
electric dipole transmitting antennae laid on the lunar surface near the Lunar Module and a
wide-bandwidth, mutually-perpendicular, three-component receiver antenna mounted on the Lunar
Roving Vehicle which traversed away from the transmitting receiver with the purpose of
obtaining data about electromagnetic energy transmission, absorption, and reflection
characteristics of the lunar regolith. Comparisons of the transmitted and received signals at
frequencies of 1, 2.1, 4, 8.1, 16, and 32 MHz were used to determine layering, search for
pressure of water below the surface, and measure electrical properties in situ, all as a
function of depth.
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PRIMARY RESULT WAVELENGTH RANGE |
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PRIMARY RESULT DOMAIN |
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PRIMARY RESULT DISCIPLINE NAME |
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INVESTIGATION |
APOLLO 17
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OBSERVING SYSTEM |
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OBSERVING SYSTEM COMPONENT |
Apollo 17 Lunar Module
Apollo 17 Surface Electrical Properties (SEP) Experiment
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TARGET |
MOON
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REFERENCES |
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Collections |
DOCUMENT COLLECTION |
Apollo 17 Surface Electrical Properties Experiment Calibrated ASCII Data Collection
Apollo 17 Surface Electrical Properties Experiment Calibrated ASCII Data - Document Collection
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