HDF5 file, superblock version 2
group /
	attribute Conventions = "COARDS, CF-1.5"
	attribute GMT_version = "5.0.1b_r12392 [64-bit]"
	attribute description = "285.5 -39.5 0 0 0 0 0 0 0 [x, y, M, D, Y, hh, mm, ss, rate (s/km)]"
	attribute history = "grdreformat ttt.b tsu_chile60.nc -fg"
	attribute title = "Produced by grdreformat"
dataset /lat: float64, shape (451)
	attribute actual_range = -80.0, 70.0
	attribute long_name = "latitude"
	attribute units = "degrees_north"
// lat: first -80.0, last 70.0, count 451
dataset /lon: float64, shape (616)
	attribute actual_range = 90.0, 295.0
	attribute long_name = "longitude"
	attribute units = "degrees_east"
// lon: first 90.0, last 295.0, count 616
dataset /z: float32, shape (451, 616)
	attribute _FillValue = nan
	attribute actual_range = 0.0, 49.05439758300781
	attribute long_name = "hours"