How GPS works? Trilateration explained

Of course, as a Nautical Specialist, I also deal with the international discussion on the advantages and disadvantages of satellite-based navigation, e-navigation and conventional terrestrial and astronomical navigation.

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,

The vulnerability of GNSS in shore-based use is definitely different and to be regarded as much more risky than on the high seas.

This updated video shows how easy it is to develop an arrival plan with the SAMMON Planning Tool. As a sample the arrival from appraoch until the berth to Ft. Lauderdale is used under strong current of 2kn. At the simulator training courses where we used this tool for preparation of a manoeuvring plan during the briefing sessions all nautical officers involved stated afterwards: "Why don't we have this tool on our ships?"

A in-depth video explaining how DUKC® works.

When the bow thruster has been in operation for a while, pilots often notice that the ship not only turns but also gains speed. But why is this? Opinion by Capt. Hugues Cauvier.

The COVID-19 pandemic has brought unprecedented challenges to the maritime supply chain and called for accelerated adoption of digital technologies in various aspects of maritime operations, including the area of maritime education and training (MET).

Maritime Education

The article was written by Allen Garfinkle, Executive Director – Board of Pilot Commissioners for the Bays of San Francisco, San Pablo, and Suisun

I decided to show the typical happenings when a saltwater freighter arrives Duluth. Most of the time they go to anchor and wait for the Elevator dock. The Pilot Boat brings out the Great Lakes Pilot to sail the ship into the port and to the dock. This vessel arrived early Sunday morning, went to anchor until mid afternoon. They are loading grain at the CHS Elevator in Superor.