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.

The Bollard Pull value, which can be interpreted as the maximum thrust that is developed for a specific amount of time by the propulsion systems of any vessel to the fullest , when it has zero speed in the forward direction, is the criterion that allows us to understand how suitable a tugboat is for a port maneuver or a towing operation.

Recently, Herman Broers launched the website PilotladderSafety.com.
This website’s goal is to increase pilot ladder safety by showing good practice examples regarding the rigging and use of pilot ladder arrangements . Do it right the first time!

Ships have reported an increasing number of cases of significant GPS interference and jamming in recent months. The geographic areas with more than one reported incident include the eastern and central Mediterranean Sea, the Persian Gulf, and multiple Chinese ports.

Challenge between SWATH tender "DÖSE" and two 30m mono hull vessels in 2013.

Neuer Studiengang ab dem Wintersemester 2024/2025!
New degree programme from winter semester 2024/2025!

The vessel "ELSE" didn't stopped at the pilot station and tried to enter the closed lock without a pilot.
Following the crash on 29.08.2020, the official investigations into the accident are now beginning on site.