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.

Summary: Important lessons, that they can assist the Practical one, in the best possible way, in the transfer operations.
Found on YouTube. Created by "Praticagem do Brasil".
This video was elaborated by the National Council of Praticagem with the objective of reminding to the masters and sailors, some important lessons, so that they can assist the Practical one, in the best possible way, in the transfer operations.

NAUTITEC as a maritime simulation and training centre offers various services for shipping companies, port authorities, captains and for pilots and tug crews.

Using pictures and sketches, this video finally explains the difference between gross tonnage (GRT) and net tonnage (NRT); the ship spaces that are included/excluded in their calculation; and the importance of these terms to ship owners.
Contents of this video will benefit mariners preparing for exams (written and oral examinations).

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.

The purpose of this quantitative, ex post facto study was to assess P-J fit theory by examining the relationship between personality traits, as measured by Jackson’s (1984) PRF-E, and selection for a maritime pilot job.

VESSEL REVIEW - by Baird Maritime
Seattle, Washington-based boatbuilder Snow and Company has handed over a new all-aluminium monohull pilot boat to the San Francisco Bar Pilots of California.

Article and pictures by Captain W J M Hargreaves, Retired Southampton Pilot