1     1
    AMPS    13    12    17    12     0
     1 BACKWARD DIVERGE 
  2013    12    18    23  -78.220  170.010     4.0
     1 PRESSURE
     1     1    13    12    18    23     0    35     0.0  -78.220  170.010      4.0    981.6
     1     1    13    12    18    22     0    34    -1.0  -78.237  169.754      5.8    982.5
     1     1    13    12    18    21     0    29    -2.0  -78.302  169.410      0.0    984.7