| http://www.w3.org/ns/prov#value | - Based on the displacement of the two receivers 160, 161, the angular location of each of the RFID tags relative into the vehicle can be determined providing further redundant information as to the position of the vehicle relative to the tags. [0572] Radar corner reflectors can be placed on poles or other convenient places such that a radar beam pointed upwards at an angle such as 30 to 45 degreed
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