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.

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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.

Footage of deep tanker Felicity navigating through the treacherous waters of the Port Philip Heads channel entrance.

What is causing the forward motion of a stopped vessel using continous bow thruster action?
by Capt. H. Cauvier

This my attempt to do just that. This is a summary of all scientific papers and articles that I could find about the ship’s pivot point. I have added links to any videos associated with the publications and have also included any useful diagrams or equations that the authors published to help explain their research.

This week, the International Maritime Organization Sub-Committee responsible for developing amendments to SOLAS regulation V/23 and associated instruments (NCSR 11) finalized a new performance standard for pilot transfer arrangements, which is expected to be made mandatory by SOLAS and apply to new and existing SOLAS and non-SOLAS ships from 1 January 2028.

MarineL og November 2022 Edition has been published. This issue focusses on patrol boats, pilot boats and offshore support vessels.