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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 Very descriptive: Piston Effect when entering lock.

published on 10 May 2020

Two new locks were introduced in 2009 for training in the new Panama lock conditions with or without tug(s). This video shows the famous "piston effect" when entering the lock at an impressive speed of 10 knots with a high blockage factor.
Port Revel provides shiphandling training using manned models for maritime pilots, masters and officers: http://www.portrevel.com

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Article How many Navy vessels are compliant to SOLAS ch.V reg23?

by Arie Palmers - published on 25 April 2022

A 1,000 Navy Vessels around... Quite often those vessels have the tendency of presenting themselves with a pilot transfer arrangement which is non-compliant.

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Video Ex chief pilot of Bremerhaven harbor pilots on 400 meter ships (German with subtitles)

published on 1 February 2023

Matthias Meyer was head of the Bremerhaven port pilots, nautical expert and lecturer at maritime schools. In front of our camera, he voices what has long been a topic of discussion in shipping circles: that the 400-meter container ships have simply become too big for the narrow shipping channels of the Weser and Elbe. In his view, a serious accident is only a matter of time. We take a look at how the district is dealing with these giants and what politicians, BUND and shipowners have to say...

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Opinion Pilot safety: a crucial component of navigation safety

by MS Amlin Marine - published on 22 October 2024

The latest MS Amlin Marine circular, compiled by theTechnical Loss Prevention Consultant Peter van der Kroft, focuses on the importance of pilot safety in marine navigation.

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Article Pilots’ Pocket Guide and Checklist - Second Edition released

published on 19 January 2022

The British Tugowners Association (BTA) in collaboration with the UK Chamber of Shipping has launched its new Pilots’ Pocket Guide and Checklist.

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Video La Coruna pilot boat Offshore in Gale & Ship boarding trials

published on 29 September 2020

Here’s a pretty cool video covering the recent sea trials we undertook with the La Coruna pilot boat. Some nice gale footage 20 miles offshore, and the fun we had trying to land the drone back down in high winds as well as alongside ship handling trials with the Taccola, operating out of Cork Harbour at present.

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