Soundings in directory DEC2003D of type *.i?? or *.?i?
 no.    File        Date    start    End (UT)
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Soundings in directory DEC2003E of type *.i?? or *.?i?
 no.    File        Date    start    End (UT)
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Soundings in directory JAN2004A of type *.i?? or *.?i?
 no.    File        Date    start    End (UT)
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