| 摘要 |
An apparatus is described for maintaining a GPS antenna element at a predetermined orientation. The apparatus includes a holder configured to support the GPS antenna element. The holder is pivotally coupled to a base structure and is configured to pivot with respect to a pivot axis. When the force of gravity is applied to the holder, it causes the GPS antenna element supported by the holder to be maintained at the predetermined orientation even when the base structure to which the holder is coupled changes its orientation. In one embodiment, an extra weight is provided on one side of the holder such that the force of gravity applied to the extra weight will cause the antenna element supported by the holder to be maintained at a predetermined angular orientation.
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