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.

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).

There are many things in both our everyday and professional lives which we take for granted and never question the origins of, an example of this might be the IMPA recommended ‘pilot mark or pilot line’, which is sometimes seen on the side of vessels indicating where a vessels freeboard exceeds 9 metres.

How AIS Works - Operation of AIS

Recorded presentation by All India Marine Pilots Association (AIMPA) on the topic "Pilot Ladder safety and Pilot Transfer procedures"

SAMMON Introduction into Ships Manoeuvring Prediction
- newly made Video to display the principles of SAMMON

The American Pilots’ Association (APA) announced Clayton L. “Clay” Diamond will assume the duties of Executive Director and General Counsel effective January 1. Diamond succeeds Paul Kirchner, who has been APA Executive Director-General Counsel since 1992.

In this episode we have a chance to meet Ivana-Maria Carrioni-Burnett, a Marine Pilot from the UK who works on the River Thames. Ivana highlights the concerns and fear that can be felt by those working in the maritime industry during COVID19. On the vessel, the seafarers are in their own isolation, or 'families' and then the pilot and other port personnel come onboard and they may be asymptomatic. For the port personnel, they aren't sure if the crew might be infected. Then there are the...