* initialization data for calendar axis regridding
* see full description in tdest_world.F

	LOGICAL		tcnvrt_ok
	INTEGER		cnvrt_src_grid
	REAL*8		tcnvrt_slope, tcnvrt_intercept

	COMMON/ XREGRID /
     .			cnvrt_src_grid,
     .			tcnvrt_ok,
     .			tcnvrt_slope,
     .			tcnvrt_intercept


