urn:nasa:pds:a15xrfs_surface_xray_counts:document:xrfs_calibration 1.0 1.24.0.0 Product_Document 2025 Apollo 15 and 16 X-Ray Fluorescence Spectrometers - Experiment Calibration 1971-07-30T02:44:00Z 1972-04-24T19:25:00Z Science Raw Apollo 15 Mission urn:nasa:pds:context:investigation:mission.apollo_15 document_to_investigation Apollo 16 Mission urn:nasa:pds:context:investigation:mission.apollo_16 document_to_investigation The Apollo 15 Command and Service Module Host urn:nasa:pds:context:instrument_host:spacecraft.a15c is_instrument_host Apollo 15 Command and Service Module X-Ray Fluorescence Spectrometer Instrument urn:nasa:pds:context:instrument:xrfs.a15c is_instrument The Apollo 16 Command and Service Module Host urn:nasa:pds:context:instrument_host:spacecraft.a16c is_instrument_host Apollo 16 Command and Service Module X-Ray Fluorescence Spectrometer Instrument urn:nasa:pds:context:instrument:xrfs.a16c is_instrument Moon Satellite urn:nasa:pds:context:target:satellite.earth.moon document_to_target Adler, I., R. Schmadebeck, J.I. Trombka, P. Gorenstein, and P. Bjorkholm, The Apollo 15 and 16 X-Ray Fluorescence Experiment, Space Science Instrumentation, 1, 305-316, 1975. Bielefeld, M., R. Reedy, A. Metzger, J. Trombka, J. Arnold, Proc. Lunar Sci. Conf. 7th, 2661-2676, 1976. Bielefeld, M.J., C.G. Andre, E.M. Eliason, P.E. Clark, I. Adler, and J.I. Trombka, Imaging of lunar surface chemistry from orbital X-ray data, Proc. Lunar Sci. Conf. 8th, 1, 901-908, 1977. Clark P.E. and I. Adler, Utilization of independent solar flux measurements to eliminate nongeochemical variation in X-ray fluorescence data, Proc. Lunar Sci. Conf. 9th, 3, 3029-3036, 1978. Clark, P.E. and B.R. Hawke, Compositional variation in the Hadley Apennine region, Proc. Lunar Sci. Conf. 12th, 727-749, 1981. Clark, P.E. and B.R. Hawke, The relationship between geology and geochemistry in the Undarum/Spumans/Balmer region of the moon, Earth Moon and Planets, 38, 97-112, 1987. Clark, P.E. and B.R. Hawke, The lunar farside: the nature of the highlands east of Smythii, Earth Moon and Planets, 53, 93-10, 1991. Clark, P.E., C.G. Andre, I. Adler, J. Weidner, and M. Podwysocki, Palus Somni: anomalies in the correlation of Al/Si X-ray fluorescence ratios and broad-spectrum albedo., Geophys. Res. Lett., 3, 421-424, 1976. Clark, P.E., E. Eliason, C. Andre C., and I. Adler, A new color correlation method applied to XRF Al/Si ratios and other lunar remote sensing data, Proc. Lunar Sci. Conf. 9th, 3, 3015-3027, 1978. Apollo 15 and 16 X-Ray Fluorescence Spectrometers - Experiment Calibration 2007-06-29 This report describes the pre- and in-flight calibration tests and the data reduction process for the Apollo 15 and 16 X-Ray Fluorescence Spectrometer experiments. Dr. Pamela Clark, NASA Goddard Space Flight Center, provided this report in 2007. Apollo 15 and 16 X-Ray Fluorescence Spectrometers - Experiment Calibration English 1 xrfs_calibration.pdf PDF/A Apollo 15 and 16 X-Ray Fluorescence Spectrometers - Experiment Calibration English 1 xrfs_calibration.doc Microsoft Word