A process control and manufacturing information database client application is disclosed displaying received time-series data in an unambiguous manner when a displayed range of time-series data includes a DST transition for a designated time zone for displaying the data. The shorted loop antenna is provided with a gap and operates at a quarter wavelength. In one rotation of the roll body, at least a part of the rotation angle range of the roll body rotated at the low speed overlaps with the rotation angle range of the roll body rotated at the high speed. The connecting member is disposed on the main body and covering the first through hole, the connecting member including a contact face having a planar shape. A control system stabilizes the platform based on information provided by a first sensor package or other location for sensing motion of the vehicle and a second sensor package on the platform. The LPS can also solve the 9-1-1 mobile location problem for wireless CDMA systems by determining the position of a person in distress that has a digital cellular phone.