\contentsline {section}{\numberline {1}INTRODUCTION}{1}{section.1} \contentsline {section}{\numberline {2}DATA FORMAT}{1}{section.2} \contentsline {subsection}{\numberline {2.1}Line Files}{1}{subsection.2.1} \contentsline {subsection}{\numberline {2.2}Directory File}{2}{subsection.2.2} \contentsline {subsection}{\numberline {2.3}Documentation files}{2}{subsection.2.3} \contentsline {section}{\numberline {3}INTENSITY UNITS AND CONVERSIONS}{3}{section.3} \contentsline {section}{\numberline {4}GENERAL COMMENTS ON PRECISION}{5}{section.4} \contentsline {section}{\numberline {5}FORMAT OF QUANTUM NUMBERS}{7}{section.5} \contentsline {section}{\numberline {6}DOCUMENTATION BY SPECIES}{9}{section.6} \contentsline {subsection}{\numberline {6.1}Isotope Corrections}{9}{subsection.6.1} \contentsline {subsection}{\numberline {6.2}List of Species in This Catalog}{11}{subsection.6.2}