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.

Maritime Education

Here is the latest version of the professional handbuch of "pilot Ladder Safety" for the rigging and the use of pilot ladders by Herman Broers from July 2021.

‘It certainly hurts – using the integrated lifting sling on a life jacket.’

Advanced automation has been highlighted as contributory to several accidents involving modern bridge support systems and automation aiding maritime pilots for maneuvering and navigation. This paper argues for reskilling for automation collaboration.

#Anchor #shipanchor #windlass Anchoring is one of the very frequent operations onboard ships. A number of variables and external factors influence the duration and location of an anchoring operation. While the type of seabed is of utmost importance during anchoring, soft muddy grounds or clay bottoms are best preferred. It should be taken care that the anchoring bottom is free of power lines, submarine cables, pipelines or rocks. Various methods on anchoring include consideration of...

Transnet National Ports Authority’s (TNPA) Port of Ngqura customers can count on experienced piloting services when their vessels are being moved in and out of the port. Ngqura boasts the services of Marine Pilot Ziggy (Siegfried) Duwe (62), who has achieved more than 4,000 ship movements in the last 12 years. He is the first pilot with this accomplishment in Algoa Bay, according to company records.

The last month Jan Tiedemann from Alphaliner (BRS) in Hamburg has reported, that DNV GL has awarded Hudong Zhonghua Shipbuilding (group) Co., Ltd. an approval in principle for the design of an LNG-powered 25,000 TEU container vessel. Based upon the reported vessel dimensions, he reckons that the ship could actually have a capacity closer to 26,000 TEU.