Video

How does GPS work?


published on 4 July 2019 -  326 -

by Casual Navigation
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Article GPS (Part 1) - Structure, mode of operation, technical and physical fundamentals of GPS

by Capt. Gunter Schütze, Thailand/Germany - published on 30 January 2020

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.

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Article GPS (Part 2), physical and technical errors of GNSS - an error analysis

by Capt. Gunter Schütze, Thailand/Germany - published on 26 February 2020

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,

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Article GPS (Part 3) - Accidental interferences and intended Interferences by extern technical sytems

by Capt. Gunter Schütze, Thailand/Germany - published on 6 May 2020

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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Article Kongsberg Digital to provide the Panama Canal Authority with simulators for multi-vessel training scenarios

published on 16 April 2021

Kongsberg Digital has signed a contract with the Panama Canal Authority (ACP) to upgrade and extend the K-Sim Navigation simulators based in SIDMAR; the Center for Simulation, Research and Maritime Development of the Panama Canal Authority.

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Video Maritime Pilot Training IV - Man overboard manoeuvre

published on 12 May 2021

Training video IV on the correct behaviour in case of man overboard

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Opinion Master pilot exchange (MPEX) – share your information

by Gard AS - published on 4 September 2020

The Master and pilot are dependant on each other for a safe and successful beginning or end of a voyage. They are both operating in a foreign environment.

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Article Pilot dispatching problem along a maritime corridor: a case study in the St. Lawrence River

published on 13 May 2025

This study presents a novel decision support process for a pilot dispatching problem in the St. Lawrence River. It integrates a comprehensive set of time-based performance measures, including working time, waiting time, and skill level differences, to optimize fairness and operational efficiency in pilot dispatching.

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Video How Stabilisers Reduce A Ship's Roll

published on 4 July 2019

Stabilisers are used to reduce the amount of roll experienced by large ships.
In this video, we look at a few different stabilisation techniques. We investigate how different methods work and how successful they are at reducing a roll.

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Video A view to the other side: Pilot Ladder Preparation in South Korea

published on 3 June 2025

Other countries, other morals. What do you think about the work of the ship's crew? Do they work carefully in accordance with the regulations?

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Video Training of the Elbe pilots - documentary (in german)

published on 6 November 2020

Die Lotsenbrüderschaft Elbe ist ein geschlossener Kreis, der sich nicht gern in die Karten schauen lässt. Wer dort Mitglied werden und bis zu 400 Meter lange Containerpötte in den Hamburger Hafen steuern möchte, muss hohe Anforderungen erfüllen. Bewerber müssen mehrere Jahre lang zur See gefahren sein, um ausreichend Fahrpraxis zu haben. Aber es gibt immer weniger deutsche Seeleute, weil die Reeder billigere Kräfte aus dem Ausland bevorzugen. Dadurch wird es zunehmend schwierig,...

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