How GPS works? Trilateration explained

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.

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,

The vulnerability of GNSS in shore-based use is definitely different and to be regarded as much more risky than on the high seas.

What is causing the forward motion of a stopped vessel using continous bow thruster action?
by Capt. H. Cauvier

Another very good explanatory video by Knud Benedict. Absolutely worth seeing.
Yaw Stability is an important element of Ships Manoeuvrability - both for course keeping and turning ability. This first video in a series explains the Basic Principles of stability in steady state equilibrium conditions and the forces / moments involved

Blog: https://www.merrimacins.com/understanding-and-preventing-tug-barge-risks/ Understanding and Preventing Tug & Barge Risks The maritime industry relies on tugboats and barges for a wide range of applications. Tugs are used to pilot vessels into and out of ports, while barges are used to transport bulk materials. The relationship between tugs and barges is critical, as most barges are not self-propelled and must rely on the skilled operation of a tug or tugs for propulsion. At Merrimac...

M+ releases the 1st video of ECDIS competency series on “Safety Settings” presented by Safe Lanes. Use them for training crew, enhance safety standards & professional knowledge. Stay tuned for our upcoming series on ECDIS competency, Anchor losses, Incidents, PCS & vetting preparations & Human Elements training. These “first of it's kind” learning videos are based on PSC & vetting observations to provide solutions & enhance your professional competency. Pls feel free to connect to get a...

This video provides the detailed explanation of the phenomenon showed in Part 1 of this topic and a solution for this problem at the end. This phenomenon was recently disocovered by Dr. Steve Shaojie Tang and published in his book by Faiteve inc in 2018. The book info can be found at Faiteve inc https://www.faiteve.com/ The testimony of the captain on duty in the public hearing of Golden Ray capsizing at https://livestream.com/uscginvestigations/events/9252896/videos/211109207 in the time...

The AUTOPLAN (Automatic Navigation Assistance System for Planing and Semi-planing Crafts) project kick-off meeting was held on 10th September 2020 with the participation of the project partners and the consultants: Uzmar Shipyard (Project Coordinator-Turkey), Technical University of Berlin (Germany), Friendship Systems AG (Germany), OES-Offshore Engineering Solutions Inc. (Turkey), Mersin University (Consultant-Turkey), SVA Potsdam (Germany) and Piri Reis University (Consultant-Turkey).

What does a Bristol Pilot do? This is a short film we made for Bristol Pilots LLP to show what it is these guys do - from climbing up the side of oil tankers in the middle of the night, to bringing in huge ships through a lock with inches to spare either side - the Bristol Pilots do an amazing job.