"Level #23 of flight 170331a"
20170331
  0   48.04647   15.02535     9254.9   20170331 100800  A        0.0      0.0
  1   48.05136   14.92252     9254.9   20170331 100830  I       11.4      0.0
  2   48.05626   14.81970     9254.9   20170331 100900   W       11.4      0.0