"Level #6 of flight 170331a"
20170331
  0   47.25271   12.82139     5631.8   20170331 081300  A        0.0      0.0
  1   47.15649   12.80044     5631.8   20170331 081400  I        7.7      0.0
  2   47.06028   12.77950     5631.8   20170331 081500   W        7.7      0.0