When 3 satellites are detected by the GPS your location can be pinpointed. Your accuracy will depend on your level of clearance with the Department of Defense. Most civilian GPS units are SPS units. Unless you are in the military, this is the best that you can get. Also, if the United states is at war, the the US DOD may jam the GPS system for civilian use.
Local events are in red.
You can also get weather information. Little clouds or sun icons appear on the map, Likewise, when you right click on them you get weather info. You can toggle these displays on and off. You can get Tripmate from Best Buy or any other large software store. For more info Visit DeLorme's Website .