1     1
    AMPS    15     4     3    12     0
     1 FORWARD  DIVERGE 
  2015     4     8     0  -77.440  163.750   111.0
     1 PRESSURE
     1     1    15     4     8     0     0   108     0.0  -77.440  163.750    111.0      NaN
     1     1    15     4     8     1     0   109     1.0  -77.383  163.765    179.9      NaN
     1     1    15     4     8     2     0   110     2.0  -77.331  163.683    336.3    940.3
     1     1    15     4     8     3     0   111     3.0  -77.301  163.633    671.2    905.3