180  241  -90 -180  0.000000  0.000000
  4
19790103 0000 01 03 00
19790110 0000 01 10 00
19790117 0000 01 17 00
19790124 0000 01 24 00


(bksz   NO  lat  lon   iofflat   iofflon)
(ntimes)
(fpfx year  mon date hour)