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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 Adjustment pilot transfer arrangement Multratug-19

by Arie Palmers - published on 9 August 2023

An article by Arie Palmers highlights his collaboration with Multraship to develop a solution aimed at enhancing the safety of pilot boarding on harbor tugs, ultimately reducing delays.

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Article A review of the ship’s pivot point: Science, Maths and Observation’ Where is the centre of a ship’s rotation?

by Tim Cummins, Harbour Pilot, Portsmouth International Port - published on 17 July 2020

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.

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Article VR Maritime Training Webinar: Case study into a Virtual Reality (VR) Shiphandling project

published on 28 March 2022

Nautical Institute webinar, 13:00 – 14:30 UTC on Thursday 31st March, 2022.

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Article The challenges of remote pilotage simulated in Rauma

published on 7 October 2021

As a part of the ISTLAB project the impact of external factors on pilots’ activities in a remote pilotage situation has been examined in Rauma.

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Opinion Pilot Ladder - The Weakest Link in Marine Pilotage

by Capt. Santosha K. Nayak - published on 10 August 2020

Pilot transfer arrangement is a sensitive topic to be discussed among the pilot’s fraternity. Although ships are designed and operated with compliance to the SOLAS requirements in all respects including the pilot transfer arrangements, there has been numerous deficiencies observed related to pilot transfer arrangements. The small deficiencies from the part of ships cause life threatening accidents for pilots and sometimes to the ship staff themselves. There are many instances of defective ladder and complacency in proper rigging of ladders has been reported almost every day in different parts of the world. Many pilots lost their life, severely injured for life and face many minor to major accidents. The latest incident being the Capt. Timothy Murray of Sandy hooks Pilot.

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Article New emblem for the Nederlandse Loodsencorporatie (NLc)

published on 21 April 2022

The new emblem expresses the solidarity, commitment and reliability of all pilots in the Netherlands. It also serves to strengthen the mutual bond of the pilots who together form the Dutch Pilotage Association.

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Article PSA Marine introduces new Vessel Pilot Communication solution

published on 28 August 2020

PSA Marine (Pte) Ltd (“PSA Marine”) joins the global movement towards sustainable shipping by reducing carbon footprint with the use of a digital solution – Vessel Pilot Communication (“VPC”), launched on 25 August 2020. With VPC, PSA Marine ensures that critical and timely updates on pilot boarding times and traffic conditions in and around the pilot boarding grounds are communicated to vessel masters.

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