| http://www.w3.org/ns/prov#value | - Other useful materials such as Langasite??? have properties that are intermediate between lithium niobate and quartz. [0773] The use of SAW tags as an accurate precise positioning system as described above would be applicable for accurate vehicle location, as discussed in U.S. Pat. No. 6,370,475, for lanes in tunnels, for example, or other cases where loss of satellite lock is common. [0774] The v
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