Soundings in directory NOV1997B of type *.p??
 no.    File        Date    start    End (UT)
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Soundings in directory NOV1997C of type *.p??
 no.    File        Date    start    End (UT)
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Soundings in directory DEC1997A of type *.p??
 no.    File        Date    start    End (UT)
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