Located at the Superior Entry to the Duluth-Superior Harbor, the Wisconsin Point Cam is perfectly located to catch the large and small craft as they move through the Canal.
This camera is made possible with help from the Lake Superior Maritime Visitor Center, and the many viewers who so generously support these cameras.
Operational Notes:
Once the bow of the boat enters the canal, the camera signal will be lost until the boat is passed by the camera, then it will turn back on. This is due...
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,
Understanding the fundamentals of the pivot point is highly required for understanding the alteration of the courses. Pivot point is an imaginary point on the vessel which turns on a circular path on the perimeter of vessel’s turning circle when the vessel makes a turn. The knowledge about the position of the pivot point in a manoeuvring situation provides the ship handler with the information on the geometry of motion of the ship.
Required tug power and number of tugs needed in variable conditions of wind, current and waves isin most cases an assessment made by pilots based on their professional experience. However, assessments will raise questions by lawyers if something goes wrong. They will use tools to calculate what really is needed with respect to tug power and number of tugs. They have furthermore the advantage of time.