1     1
    AMPS    13     4     5    12     0
     1 BACKWARD DIVERGE 
  2013     4     7    12  -77.730  167.690    40.0
     1 PRESSURE
     1     1    13     4     7    12     0    30     0.0  -77.730  167.690     40.0    953.5
     1     1    13     4     7    11     0    31    -1.0  -77.760  167.208   2658.6    668.0
     1     1    13     4     7    10     0    32    -2.0  -77.791  167.176   8367.0    288.1