dbname:             ../adcpdb/a_at
        output:             ./vector
        step_size:          1        /* must be 1 for navigation */
        ndepth:             128
        time_ranges:        separate
        year_base=          2010

        option_list:
            pg_min=                50
            reference:             final_ship_ref
            regrid:                average
               depth
               grid_list number=  31
               boundaries:        44 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500 525 550 575 600 625 650 675 700 725 750 775 
                                  /* The 1st boundary must */
                                  /* start at or below the */
                                  /* shallowest depth bin  */
         vector:
           minimum_npts=        2
          flag_mask:        ALL_BITS
            end
          end                     /* one big time range (if "single") or if "separate", */
     @a_at.tmg           /* explicit time ranges or of the form "@gridfile" */