Video

How does GPS work?


published on 4 July 2019 326 -

by Casual Navigation
What's your opinion on this?
Login or register to write comments and join the discussion!
Read more...

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.

0

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,

0

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.

0

Article Combinations Ladders: "1,000 combinations around" (by Arie Palmers)

by Arie Palmers, Netherlands - published on 13 July 2020

Before you, you see my third article on pilot boarding arrangements. After my two previous articles
(‘1000 ways to secure a pilot ladder’ and ‘1000 ladders around’, I have received a lot of feedback and
also questions to get deeper into the matter of combinations and embarkation platforms.

2

Article New Study on GNSS Interference in the Baltic Sea

by GPSPATRON Sp. z o. o. - published on 12 March 2025

GNSS interference has become a growing challenge in the Baltic Sea, affecting maritime navigation, aviation, and critical infrastructure. While numerous datasets and services, such as gpsjam.org, spoofing.skai-data-services.com, and flightradar24, report high-altitude GNSS interference based on ADS-B data, there is a significant lack of studies focusing on ground-level interference.

3

Video CHIRP Pilot Ladders (Landscape)

published on 13 December 2023

We take a look at some of the dangerous ladder arrangements provided by ships when attempting to take maritime pilots on board. Our message is simple: if you are offered an unsafe or non-compliant ladder, do not board!

1

Video Stern-First Method for POD Ships –Practical samples starting with Twin screw followed by POD ships

published on 12 August 2022

Practical samples for manoeuvres for ships going astern - as Stern-First-Method SFM. Introduction using as sample from the Master Thesis by Karel Wiegert for an arrival manoeuvre of a cruise vessel in Southampton port with a Twin-screw vessel under strong current. The same manoeuvre with the same ship model was used to show the advantage of Fast Time Simulation FTS using the SAMMON Planning Tool. This goes much faster than the manoeuvres in the real time simulator - and it can even be...

2

Video AMPI Marine Pilot Profiles Webinar - November 2021

published on 16 November 2021

Thanks to Jacqui Kenyon, Chevi King and Kate Delisky for joining Jeanine Drummond on this webinar to discuss their careers and pathways into marine pilotage. The audience was a great mix of experienced marine pilots and newer maritime industry participants, as well as school aged children, with people joining us from Australia and overseas. It was an opportunity to create greater awareness of the maritime industry, and the important role marine pilotage plays in protecting our port...

0

Video Cielo di Iyo met by Harbor Pilot

published on 20 January 2021

In early December, just as I was starting to get into ship spotting, I saw a couple of vessels headed up river towards Philly. One of them, the Cielo di Iyo met with the harbor pilot right as I had my drone up. I was able to capture the Pilot coming to meet the vessel and CLIMBING the ladder to get on board just before she passed beneath the Walt Whitman Bridge.

0

Opinion Manning Challenges in Maritime Pilotage

by Captain Ahmed Sati - published on 25 March 2024

Opinion article by Ahmed Sati, Marine Pilot, Author of “Marine Pilotage - The Arabic book” and board member of ISPO.

2