How does GPS work?

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.

The British Tugowners Association (BTA) in collaboration with the UK Chamber of Shipping has launched its new Pilots’ Pocket Guide and Checklist.

On April 20, 2026, the Columbia River Bar Pilots conducted a MOB drill with the U.S. Coast Guard Station Astoria.

Tips by Captain Kris.
kris@mes.de
krisdedecker

Training video IV on the correct behaviour in case of man overboard

In this video, you can take a look at what happened when the Napoli broke her back and was run aground on the south coast of the UK.

The Dutch freighter "Eemslift Hendrika", which was in distress at sea, was secured on Thursday night. Salvage crews succeeded in boarding the ship and connecting it to two tugboats. This was announced by the Norwegian Coastal Administration. It will now be towed to the harbour of the Norwegian city of Ålesund.