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How GPS works? Trilateration explained


published on 4 July 2019 -  184 -

How GPS works? Trilateration explained
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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 Safe set-up of pilot ladders

published on 8 January 2024

This safety video examines the safe set-up of pilot ladders and details the safety checks that should be carried out before using a plot ladder to ensure a safe boat transfer.

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Article What is a pilot boat?

published on 9 January 2023

A pilot boat is a specialized vessel that is used to transport pilots to and from ships that are entering or leaving port. Pilot boats are typically small, fast vessels that are designed to operate in a variety of weather conditions and sea states.

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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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Opinion Pilot ladders: Compliance by design, failure by operator

by Herman Broers - published on 10 March 2022

It is not often that this blog is used to show bad practice, however in this case some pictures tell a whole story. Ship is compliant by design for rigging a combination. How about the operator(s)?

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Video Maritime Pilot Training II - Man overboard manoeuvre

published on 12 May 2021

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

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Video Life of Reef Pilot - Capt. Vikram Hede

published on 23 May 2023

My background Why does a ship need a marine pilot How did we get here b.w.o training and qualification? Background history of Reef Pilots Info on different pilot stations within the Great Barrier Reef Torres Straits with its complex tides Our commute to work - boat & helicopter videos Different types of ships, cargoes and nationalities trading within the Great Barrier Reef Work life onboard.... the good, the bad and the ugly Some trivia and fun facts about mariners’ life at sea

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Article Port of Waterford receives the "Port Láirge" Pilot Boat

published on 24 November 2021

THE 15-metre-long ‘Port Láirge’, the Port of Waterford’s new Pilot Boat, was received by crew at the Dunmore East pontoon this (Friday) morning, two years after her commissioning.

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