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.

Adding map and speedometer widgets to your GoPro video clips. Tips by Capt. Kris de Decker

'Shallow Water Effects' - The New KARCO video which promises to bring immense training value for navigators, has been developed using very effective 3D Animation &VFX.

The ICS Guide to Helicopter/Ship Operations is the industry standard best practice guide for shipping companies, ships’ crew and helicopter operators.

A unique 3D video endeavoring to raise the awareness of the seafarers about a very important, critical, and essential piece of equipment on board. Basic in design, but high on purpose, the mistakes incorrect handling of this equipment continue to result in Near Miss, Incidents and accidents.

Look at Life Vol 01 Transport Pilot Aboard 1963
The story of Britain's pilotage services.

Tuesday, September 15, 2009 finds the New York Harbor Pilot Boat No. 1 overtaking the Circle Line Zephyr on a Hidden Harbor Cruise along the Kill van Kull.