/* TimeGrid:
     output: a_ex.tmg     time_interval: 60.000000    
     time_range: */
/* time_range: 2016/03/12  01:42:00  to  2016/03/12  04:08:00 */
   2016/03/12  01:42:00  to  2016/03/12  02:42:00
   2016/03/12  02:42:00  to  2016/03/12  03:42:00
   2016/03/12  03:42:00  to  2016/03/12  04:08:00