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.

Another great education video by Knud Benedict (Germany): Practical experiments for getting useful data for planning.

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Practical samples for manoeuvres for ships going astern - as Stern-First-Method SFM. Introduction using as sample from the Master Thesis by Karel Wiegert for an arrival manoeuvre of a cruise vessel in Southampton port with a Twin-screw vessel under strong current. The same manoeuvre with the same ship model was used to show the advantage of Fast Time Simulation FTS using the SAMMON Planning Tool. This goes much faster than the manoeuvres in the real time simulator - and it can even be...

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This video shows an introduction on the Pull-out Test-Manoeuvre and describes the procedure how to steer through this simple manoeuvre: Turning circle and then put the rudder amidships. The final rate of turn allows to identify stable and unstable conditions.

After passing Norfolk Virginia Naval Base, the Pilot boat Steven Mc. Allister brought the Harbor Pilot, the Pilot boat got alongside and the Harbor Pilot boarded safely and guided the vessel towards the berth/terminal.
#NorfolkHarborPilot #NorfolkPortsmouth #VirginiaMarinePilot

At least ten people died and 251 were injured in a chlorine gas leak from a storage tank at Jordan's Aqaba port, officials and state media reported on Monday, as authorities called on residents to shut windows and stay indoors. The leak came after a tank filled with 25 tonnes of chlorine gas being exported to Djibouti fell while being transported, officials said. A video posted on state television's Twitter page showed a storage tank falling from a winch and slamming into the deck of a ship,...