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Examples

RATIO a spectrum in two bands,

    ICL> RATIO SPECTRUM
    RATIO Version 1.7-0
    OUT - Output dataset > rat
    Input has valid QUALITY
    Axis  Label              Units             Range
      1   Corrected PHA chan channel no        From 7 to 240
    RATIO will divide two ranges on this  axis - the second by the first.
    BANDS - Two ranges to divide > 50:100 150:220
    NORMAL - Normalise output data /NO/ >
    Unnormalised ratio is 1.053244 +- 0.1195229
  
Same as above but renormalise,

    ICL> RATIO SPECTRUM
    RATIO Version 1.7-0
    OUT - Output dataset > rat
    Input has valid QUALITY
    Axis  Label              Units             Range
      1   Corrected PHA chan channel no        From 7 to 240
    RATIO will divide two ranges on this axis - the second by the first.
    BANDS - Two ranges to divide > 50:100 150:220
    NORMAL - Normalise output data /NO/ > YES
    Normalised ratio is 0.7523173 +- 0.1195229
  


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