Suggested required reading for all mariners no matter where they work: on rivers, in open seas, in narrow passages or limited draft conditions. A good balance between theory and practical hands-on approach with excellent illustrated examples. Consists of three parts: 1) the ship's capabilities and its manoeuvring gear; 2) the forces which set the ship moving; 3) the ship as it manoeuvres (mooring, sailing in shallow waters, port manoeuvres, etc.).
Read more...
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,