1     1
    AMPS    13    12    17    12     0
     1 BACKWARD DIVERGE 
  2013    12    18    23  -77.880  166.730     4.0
     1 PRESSURE
     1     1    13    12    18    23     0    35     0.0  -77.880  166.730      4.0    985.4
     1     1    13    12    18    22     0    34    -1.0  -77.831  167.045      3.8    984.5
     1     1    13    12    18    21     0    29    -2.0  -77.767  167.155      6.9    983.6