APOLLO 15 XRFS LUNAR SURFACE X-RAY
      COUNTS V1.0
This dataset contains two tables of time-ordered, raw event count rates acquired by the Apollo 15 X-Ray Fluorescence Spectrometer from 30 July to 4 August 1971 during lunar orbit.  The tables include counts for all channels of the three proportional counters (unfiltered, magnesium filter, aluminum filter) and the …