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 happens when GNSS fails? In maritime navigation, this isn’t a hypothetical scenario – it’s a growing risk. Spoofing, jamming, and GNSS outages are increasing, especially in the Baltic Sea region. A failure can cripple navigation systems – with potentially serious consequences.

Manoeuvring large ships at close quarters and on shallow water is one of the most difficult aspects of shiphandling because of the complex hydraulic interactions depending on the ships' speeds, on the water depth and on lateral restrictions like in canals. Training is conducted both on meeting and on overtaking ships in shallow waters. This video shows how overtaking in a canal can easily fail.
More information: http://www.portrevel.com/3781-shiphan...

When publishing articles or pictures about pilots and their pilot ladders, very often we see the use of backpacks. The use of backpacks is controversial, since its weight, or buoyancy, can influence the functioning of the lifejacket used.

Pilot transfer arrangement is a sensitive topic to be discussed among the pilot’s fraternity. Although ships are designed and operated with compliance to the SOLAS requirements in all respects including the pilot transfer arrangements, there has been numerous deficiencies observed related to pilot transfer arrangements. The small deficiencies from the part of ships cause life threatening accidents for pilots and sometimes to the ship staff themselves. There are many instances of defective ladder and complacency in proper rigging of ladders has been reported almost every day in different parts of the world. Many pilots lost their life, severely injured for life and face many minor to major accidents. The latest incident being the Capt. Timothy Murray of Sandy hooks Pilot.

Police have performed an incredible late night rescue in one of the country's most treacherous waters, after a pilot boat ran aground at the entrance to Port Phillip Bay. Three men, who were experts at navigating the dangerous passage, were retrieved safe and well after two hours in the water. Subscribe: http://ab.co/1svxLVE ABC News provides around the clock coverage of news events as they break in Australia and abroad, including the latest coronavirus pandemic updates. It's news when you...

The local harbor pilot boards the 2GO Maligaya on the port side during her Monday noon arrival to Cebu from Manila
See my photos at https://www.flickr.com/photos/dareleven/