1     1
    AMPS    13     7    26    12     0
     1 BACKWARD DIVERGE 
  2013     7    28     0  -77.220  166.440     0.0
     1 PRESSURE
     1     1    13     7    28     0     0    36     0.0  -77.220  166.440      0.0      NaN
     1     1    13     7    27    23     0    35    -1.0  -77.409  166.471   1087.8    838.8
     1     1    13     7    27    22     0    34    -2.0  -77.496  166.912     11.0    756.8
     1     1    13     7    27    21     0    33    -3.0  -77.563  167.320   6905.9    274.8