Patent Document ID: 7965231
Application ID: 12184999

Base Claim:
1. A method of communicating between a plurality of navigation devices comprising: obtaining positional information for a first navigation device by assessing a plurality of global positioning satellite signals; generating a data signal for transmission to a plurality of other devices, the data signal including a latitude value obtained from the positional information for the first navigation device, a longitude value obtained from the positional information for the first navigation device, and an identification of the first navigation device; transmitting the data signal to a communication device through a signal cable, wherein the communication device is separate from the first navigation device; and transmitting the data signal, utilizing the communication device, to a plurality of other navigation devices such that each of the plurality of navigation devices can identify and display a geographic position of the first navigation device.

---

Claim 2:
2. The method of claim 1 wherein the data signal further comprises a text message.