How does GPS work?

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.

The Winter Edition of "The Mastes, Mates & Pilot" by the International Organization of Masters, Mates & Pilots (MM&P) has been released.

Required tug power and number of tugs needed in variable conditions of wind, current and waves isin most cases an assessment made by pilots based on their professional experience. However, assessments will raise questions by lawyers if something goes wrong. They will use tools to calculate what really is needed with respect to tug power and number of tugs. They have furthermore the advantage of time.

The COVID-19 pandemic has brought unprecedented challenges to the maritime supply chain and called for accelerated adoption of digital technologies in various aspects of maritime operations, including the area of maritime education and training (MET).

Learn from other accidents. Watch an accurate reenactment of a collision involving an undisclosed VLCC tanker.
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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...

Pilot boat Hanakahi inbound to Pier 19, Honolulu Harbor. 18 July 2020.

Based in Estonia, Baltic Workboats is a long-tenured boatbuilder for multiple markets, including the demanding pilot boat sector. Late in 2025 in New Orleans BWB debuted a new hybrid electric 17m model, a boat that leans on more than 15 years of accrued experience building larger hybrid electric vessels. Carl Mahler, BWB’s North American sales lead and a harbor pilot himself, discussed with Maritime Reporter TV the value proposition offered by the shipyard, from manufacturing process to...