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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 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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Video OMC International - Suezmax Tanker - Case Study

published on 14 October 2019

Case Study: An investigation into whether Port of Melbourne and major port user, ExxonMobil, could bring deeper drafted vessels into the channel.

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Video EfficientFlow final conference June 4 2021

published on 10 June 2021

Project results in detail. Efficient port flow using the Port Activity App in the ports of Gävle and Rauma. Sharing time stamps making planning easier for all involved actors. Efficient ship Flow by using a Route distribution service helping pilots better plan meeting points in narrow fairways, saving some fuel but more importantly increasing safety.

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Video Safety training course for German maritime pilots

published on 12 June 2026

"Although this should not happen, pilot ladders sometimes suddenly slip one step. Always grip the sideropes firmly and you can handle this!"

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Video Port of Los Angeles: Career RePORT - Port Pilots Edition

published on 8 May 2021

Career RePORT encourages all students and educators to submit questions you want to ask a Port of Los Angeles employee: what kind of job they do at the Port, how they entered their career field, who their favorite superhero is, or what they made for dinner last night. This episode features John Mayer, Port Pilot. In his role, John: - Drives the 400-meter container ships containing goods in and out of the Port every day. - Safely navigates the cruise ships that are transitioning to and...

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Video Old Nelson pilot boat as RC Model

published on 29 September 2020

RC Nelson pilot boat

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Video IMPA receives the 2022 SAFETY4SEA Initiative Award

by SAFETY4SEA - published on 20 October 2022

International Maritime Pilots' Association (IMPA) received the 2022 SAFETY4SEA Initiative Award for conducting annually its ‘Pilot Ladder Safety Campaign’ with the objective of reporting pilots’ experiences of ladders and boarding equipment to the IMO and the wider shipping community. Other distinguished short-listed nominees of this category were: Inmarsat, International Marine Contractors Association (IMCA), Safetytech Accelerator and Seafarers Hospital Society. We are honored to be...

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