| 摘要 |
A vehicle tracking unit may include a vehicle position determining device, a wireless communications device, and a controller for cooperating with the vehicle position determining device to determine vehicle position information based upon the vehicle changing a direction of travel by greater than a threshold. Moreover, the controller may also cooperate with the wireless communications device to send the vehicle position information to a monitoring station based upon each occurrence of the vehicle changing the direction of travel by greater than the threshold.
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