"Level #11 of flight 170419a"
20170419
  0   35.20551   15.43287     4689.8   20170419 132500  A        0.0      0.0
  1   35.22629   15.33056     4689.8   20170419 132620  I       11.5      0.0
  2   35.24706   15.22825     4689.8   20170419 132740  I       11.5      0.0
  3   35.26783   15.12594     4689.8   20170419 132900   W       11.5      0.0