Patent ID: 7974777

Claim:
A navigation device for selecting a traffic message channel, the navigation device comprising: a first receiver to receive multiple traffic message channels and traffic message channel information; a second receiver to receive GPS signals, the GPS signals allowing the navigation device to determine a current position, the second receiver being different than the first receiver; an input device to receive a user input indicating a frequency; and a processor to compile traffic message channel resource information based on the traffic message channel information, determine a route from the current position or a selected position to a destination and select a traffic message channel based on the indicated frequency, the traffic message channel resource information and at least one of the current position and a position on the route; wherein the selected traffic message traffic channel is configured to provide multiple traffic messages via the receiver, the processor is configured to increment a counter for each traffic message received, the processor is configured to decrement the counter for each interval in which no traffic message is received, the processor is configured to select a different traffic message channel when the counter reaches a value; wherein the value is zero.