[PP Field
   lbyr: 1990
   lbmon: 12
   lbdat: 1
   lbhr: 0
   lbmin: 0
   lbsec: 0
   lbyrd: 1991
   lbmond: 3
   lbdatd: 1
   lbhrd: 0
   lbmind: 0
   lbsecd: 0
   lbtim: 21
   lbft: 107352
   lblrec: 7008
   lbcode: 1
   lbhem: 0
   lbrow: 73
   lbnpt: 96
   lbext: 0
   lbpack: 0
   lbrel: 3
   lbfc: 16
   lbcfc: 0
   lbproc: 8320
   lbvc: 129
   lbrvc: 0
   lbexp: 0
   lbegin: 0
   lbnrec: 0
   lbproj: 0
   lbtyp: 0
   lblev: 0
   lbrsvd: (0, 0, 0, 0)
   lbsrce: 1111
   lbuser: (1, -99, 0, 3236, 0, 0, 1)
   brsvd: (0.0, 0.0, 0.0, 0.0)
   bdatum: 0.0
   bacc: 0.0
   blev: -1.0
   brlev: 0.0
   bhlev: 0.0
   bhrlev: 0.0
   bplat: 90.0
   bplon: 0.0
   bgor: 0.0
   bzy: 92.5
   bdy: -2.5
   bzx: -3.75
   bdx: 3.75
   bmdi: -1e+30
   bmks: 1.0
   data: [[241.9939  241.9939  241.9939  ... 241.9939  241.9939  241.9939 ]
 [243.81647 243.47302 243.14752 ... 243.89624 244.00806 244.03815]
 [249.78784 249.33514 249.1322  ... 248.48315 249.0896  249.80609]
 ...
 [248.08997 247.90259 247.17383 ... 249.07489 248.41125 248.19788]
 [246.16144 246.03577 245.93414 ... 246.71552 246.48785 246.25049]
 [247.35028 247.35028 247.35028 ... 247.35028 247.35028 247.35028]]
]