function rsl_get_date_time_from_sweep,sweep
;
; *** Function accepts a radar structure and returns a structure
; *** with the date and time as strings.
;
    year   = string(sweep.ray[0].h.year,format='(I4.4)')
    month  = string(sweep.ray[0].h.month,format='(I2.2)')
    day    = string(sweep.ray[0].h.day,format='(I2.2)')
    hour   = string(sweep.ray[0].h.hour,format='(I2.2)')
    minute = string(sweep.ray[0].h.minute,format='(I2.2)')
    second = string(sweep.ray[0].h.sec,format='(I2.2)')

    date_str = {year: year, month: month, day: day, $
                hour: hour, minute: minute, second: second}

    return,date_str
    end