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.

OHB Digital Solutions GmbH develops systems for monitoring the GNSS frequency bands as well as detection, classification and localization of intentional or unintentional interference sources. Many stakeholders and applications as well as critical infrastructure providers are relying on GNSS to provide their services. Since Global Navigation Satellite Systems (GNSS) are widely used in safety and value critical applications, GIDAS detects, classifies and localizes any GNSS interference...

'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 role of a Tug Master undertaking harbour towage activities is a very specific one. He/she has to, alone or in cooperation with other Tug Masters, assist a ship in a safe and efficient way using his/her tug to the best of its qualities. 

This video explains the IMO resolution on the provision and display of maneuvering information on board ships, particularly the pilot card, wheelhouse poster and maneuvering booklet. the layout and contents of each are explained as well. Contents of this video will benefit mariners preparing for exams (written and oral examinations). Mariners will also benefit by watching the following videos: Duties of the SAR mission coordinator: https://youtu.be/9J3q6XczIGE Duties of the on-scene...

SAMMON Lecturing Video describing
"Pivot Point Demonstration"
-------------------------------------------------------------
SAMMON - the IDEAL tool to identify manoeuvring capabilities of a ship - SAMMON - learning the EFFECTIVE way

Footage of the "Pilot Station Vessel" POLARIS of the Dutch Pilot Organisation, made with a DJI Phantom Drone, controlled with a FPV (First Person View), and equipped with a GoPro Hero 3 camera.
The location is Maascenter, an important navigation point for ships entering the Port of Rotterdam in the Netherlands.
Date: 15 may 2014. Music: Skrillex - Scary Monsters & Nice Sprites.

"Analysis of reports indicates that pilot ladders (Pilot Transfer Arrangements, or PTAs) and
intentional deviations from safety procedures remain the main causes of near misses..."