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.

This video shows an introduction on the Spiral-Test-Manoeuvre and describes the procedure how to steer through this manoeuvre and measure the data needed. The results will be displayed in a characteristic diagram allowing to identify stable and unstable conditions and related, detailed information, e.g. spiral loop width and height, rudder angle of neutral effect. Samples of stable and unstable ship behaviour demonstrations will be shown by Fast Time Simulation using the SAMMON Planning tool.

Summary: Important lessons, that they can assist the Practical one, in the best possible way, in the transfer operations.
Found on YouTube. Created by "Praticagem do Brasil".
This video was elaborated by the National Council of Praticagem with the objective of reminding to the masters and sailors, some important lessons, so that they can assist the Practical one, in the best possible way, in the transfer operations.

Bremen, 24.10.14: How to navigate a ship properly? How do you enter which port? Future captains, but also experienced pilots train in the "Ship Handling Simulator" at Bremen University of Applied Sciences.

This section should give a short introduction to: Operational aspects of AIS Functions and features Human aspects Key Points The AIS transponder unit. Automatic communication. SOLAS requirements. AIS Information sent by ships. Static information update. MMSI Dynamic information update. Voyage related information update. Checking AIS data. BIIT Display Of AIS data. Recommended AIS symbols. Sleeping target symbol. Activated target symbol. Selected target symbol. Dangerous target...

This movie shows how to create the Characteristic Diagram for Wind effect on ships and limits of steerability under strong wind. It uses the previous demos made with the SAMMON Planning Software on turning tendency of ships on straight track and in turning motion.

AST has announced a new order of 9 iRAMS systems with a long-term client and UK boat-builder, Goodchild Marine Services Limited.

Take a look!