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.

Maritime Education

‘It certainly hurts – using the integrated lifting sling on a life jacket.’

When a vessel navigates in confined waters, such as in a harbour or narrow channel, it is well known among experienced pilots that the ship handling is greatly affected by the hydrodynamic forces and moments acting between ship and bank or sidewall of the channel.

Another worthful video by Knud Benedict, Germany

The "Overall Plan for the Construction of Hainan Free Trade Port" announced on June 1 this year proposes to build the Hainan Free Trade Port into an important gateway for deepening the country's reform and opening-up policy.

Chesapeake Bay pilots guide massive cargo ships safely through the Bay's channels every day, but boarding them on a ladder attached to a moving ship is nothing short of breathtaking. Watch the video from a retired Bay Pilot.