A circuit for use in a wireless communication device includes a on-chip gyrating circuit that generates a motion parameter based on motion of the circuit. A GPS receiver receives a GPS signal and that generates GPS position data based on the GPS signal. A processing module processes the motion parameter to produce motion data and generates position information based on the GPS position data and the motion data. A wireless telephone transceiver generates an outbound RF signal that includes outbound voice data and position information and that generates voice inbound data from an inbound RF signal.

 
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< Portable reference station for local differential GPS corrections

> GPS device and integrated circuit with an on-chip gyrator

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