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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Video BRIDGE PROCEDURES CHECKLISTS | PART 1 - PILOT CARD

published on 20 June 2023

Bridge procedures guide checklist, pilotage, pilot card, Master pilot information exchange, MPEX, wheelhouse poster, pilot boarding arrangement, ship's particulars. Thank you for supporting our channel: paypal : uasupplyltd@gmail.com ✅We offer quality service, without weekends and holidays, order fulfillment, as soon as possible with the understanding and individual approach to each client. 🚢The main directions of the company UASUPPLY: - A comprehensive supply for merchant ships of...

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Article MARS-Report: Paltry PPU position predictor

by The Nautical Insitute - published on 18 August 2023

To monitor the vessel’s progress, the pilot had set up his portable pilotage unit (PPU). He had connected the rate-of-turn generator to the vessel’s pilot plug and had set a variable range marker on the radar with a radius of 0.5 nm.

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Video Simplified Vector Approach for POD forces – samples and limitations

published on 23 February 2022

This movie belongs to the operation of ships with POD propellers and discusses the approach for using a vector model from only the pods’ thrust forces as resulting force to imagine the potential effect of the pods on manoeuvring motion.

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Video Shiphandling: Pivot Point and Transverse Thrust

published on 22 May 2022

Gavin Buchanan on YouTube: "Some of the best Ship Handling videos available online. Studying for my Master 3000 and have found these videos incredibly helpful. Thank you for making these free for students!"

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Article Navigation alternative in the event of GNSS failure due to jamming or spoofing

by TRENZ GmbH - published on 7 April 2025

What happens when GNSS fails? In maritime navigation, this isn’t a hypothetical scenario – it’s a growing risk. Spoofing, jamming, and GNSS outages are increasing, especially in the Baltic Sea region. A failure can cripple navigation systems – with potentially serious consequences.

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Video "Morobe" pilot boat (PNG Ports)

published on 9 February 2026

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Opinion How to navigate your way through chaos as a marine Pilot?

published on 9 December 2021

In my most recent article, I talked about how ports are currently faced with disruptive circumstances that severely impact the day-to-day port operations. The COVID-19 situation and blockage of the Suez Canal lead to increased operational uncertainty and a need for ports to endure the situation rather than planning the future.

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