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 1,000 ways to secure a Pilot Ladder

by Arie Palmers, Netherlands - published on 10 January 2020

From that moment on I have been keeping a tally of the non compliant boarding arrangements I see in front of me on a daily base, and off course I participate in the annual safety campaign, conducted by IMPA each october.

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Video Wind drift making headway - practical experiments for getting useful data for planning

published on 30 May 2022

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

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Article Securing pilot ladders at intermediate lengths

by Kevin Vallance deep sea pilot and author - published on 6 January 2020

Over the past few years a number of pilot transfer accidents have occurred resulting from total failure of the side ropes, one school of thought is that the methods of securing a pilot ladder is a factor in such occurrences.

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Article Study: Correlation Evaluation of Pilots’ Situation Awareness in Bridge Simulations via Eye-Tracking Technology

published on 21 January 2022

Improvements to pilots’ situation awareness (SA) in maritime navigation are critical to reducing human errors, which have caused 75% to 96% of marine accidents over the last few years.

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Video Professor Patrick Hudson: Safety Culture and Leadership

published on 23 February 2023

Professor Patrick Hudson discusses safety culture and leadership.

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Video Land and Sea: Sea Harbour Pilots

published on 4 July 2019

Sea Harbour Pilots: the men and women who guide ships into ports, at all hours, in all weather, in places around the Maritimes.

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Video Women Pilots at the Port of Houston with Howard Middleton and the First Woman Pilot Holly Cooper

published on 17 December 2025

By 2001, the Houston Pilots led the way in hiring minorities and women, and a few years later it formed a nonprofit called Anchor Watch, to offer scholarships to maritime students in need and boost opportunities for minority and women candidates. Captain Holly Cooper joined the Houston Pilots in 1994 as the group’s 151st pilot and the first woman to begin training as a deputy.

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