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.

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The latest summary from PTR Holland on the subject of pilot ladders. Here is the most important information on maintenance, use and replacement & insepection record book.

This study presents a novel decision support process for a pilot dispatching problem in the St. Lawrence River. It integrates a comprehensive set of time-based performance measures, including working time, waiting time, and skill level differences, to optimize fairness and operational efficiency in pilot dispatching.

The Seminar aims to inform Member States, intergovernmental organizations and non-governmental organizations in consultative status with IMO about the societal value of maritime pilots and pilotage as a public service. The IMO Secretary-General has recognised maritime pilots as having always been vital to ensuring the safety of navigation in key ports and shipping lanes globally and playing a crucial role in sustaining the global supply chain using specialized knowledge and expertise....

A 1,000 Navy Vessels around... Quite often those vessels have the tendency of presenting themselves with a pilot transfer arrangement which is non-compliant.

UKMPA has released a notice to their members today regarding the so-called non compliant trapdoors. Vessels have been rejected entrance, talks have started with different shipping companies.

In this article Marine Pilot André Gaillard gives us his vision of the maritime pilotage profession of yesterday, today and tomorrow.