"Level #19 of flight 170427a"
20170427
  0   33.42298   33.47603     3777.2   20170427 093200  A        0.0      0.0
  1   33.49405   33.56769     3777.2   20170427 093330  I       12.1      0.0
  2   33.56512   33.65936     3777.2   20170427 093500   W       12.1      0.0