netcdf gx1v3 {
dimensions:
	grid_size = 122880 ;
	grid_rank = 2 ;
	grid_corners = 4 ;
variables:
	int grid_dims(grid_rank) ;
	double grid_center_lat(grid_size) ;
		grid_center_lat:units = "radians" ;
	double grid_center_lon(grid_size) ;
		grid_center_lon:units = "radians" ;
	int grid_imask(grid_size) ;
		grid_imask:units = "unitless" ;
	double grid_corner_lat(grid_size, grid_corners) ;
		grid_corner_lat:units = "radians" ;
	double grid_corner_lon(grid_size, grid_corners) ;
		grid_corner_lon:units = "radians" ;

// global attributes:
		:title = "Version 3 of Greenland pole x1, T-grid" ;
		:Created_by = "hecht, Mon Jul  9 10:17:19 MDT 2001" ;
		:1D_grid_indexing = "if n is 1D index, i runs fast,j runs slow: n=(j-1)*fast_grid_dim+i" ;
}