To access this servlet use format: DIDBGetValues?ursiCode=CODE&charName=NAME&fromDate=yyyy.mm.dd%20(...)%20hh:mm:ss&toDate=yyyy.mm.dd%20(...)%20hh:mm:ss For example: DIDBGetValues?ursiCode=DB049&charName=foF2&fromDate=2007.06.25%20(...)%2000:00:00&toDate=2007.06.26%20(...)%2000:00:00 or: DIDBGetValues?ursiCode=DB049&charName=foF2&fromDate=2007.06.25&toDate=2007.06.26