From atop the Lake Superior Maritime Visitor Center in Duluth, these cameras provide one of the most intimate views of Duluth's Aerial Lift Bridge and Shipping Canal. Watch ships from around the world arrive and depart the Twin Ports as they traverse the cold waters of Lake Superior. The cameras are owned and operated by the Corps of Engineers' Lake Superior Maritime Visitor Center with funding from the Lake Superior Marine Museum Association. (technical assistance provided by...
In my announced sequel, the second part of GPS, it is primarily about the technical and physical operational and functional limitations to which GPS is subject. These limitations, in part, have serious implications for the accuracy of GPS, and even go as far as limiting the functionality of GPS in its functions or even making it impossible. In doing so,