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Trump orders US to test its vulnerability to GPS outage

US President Donald Trump signed an executive order directing US agencies to test whether critical infrastructure systems are vulnerable in case of disruption or manipulation of satellite-based global positioning system services (GPS).

Understanding GPS spoofing in shipping: How to stay protected

Knowing exactly where you’re sailing and where to sail next is the most important part of a vessel’s navigation which can be accomplished by the use of GPS. Yet, what happens when your GPS gets spoofed? GPS spoofing, often leading to GPS outages, causes major disruptions to the shipping industry impacting safe navigation, leading to paralyzed shipping lanes, collisions and untraceable attacks.

AMSA discontinues DGPS from 1st July, 2020

As AMSA reported in the past, due to the increased accuracy of GPS and introduction of other global positioning constellations, like GLONASS, GALILEO and Beidou, its Differential Global Positioning System (DGPS) service is no longer needed. As a result, AMSA will discontinue DGPS system from the following summer, specifically on 1st July 2020.

GPS smoothing: How to remove discrepancies in received positions

Knowing exactly where we are at each time is a key component of safe navigation and the use of GPS and ECDIS provide this capability nowadays, but the continuing trend to rely solely on this means of navigation rather than to cross-check with other independent and reliable navigation techniques introduces a significant risk, CHIRP notes.

Vessels navigating in China report GPS spoofing incidents

GPS spoofing is a common incident nowadays, with the People’s Republic of China reporting that in 2019 there was a number of GPS spoofing incidents in and around coastal areas and ports. In light of the dangers and challenges of GPS spoofing, the Club alerts all stakeholders to take precautions if experiencing jamming, or spoofing.

AMSA to discontinue its Differential Global Positioning System service

AMSA informed that on 1 July 2020 it will discontinue its Differential Global Positioning System (DGPS) service. The increased accuracy of GPS and introduction of other global positioning constellations, such as GLONASS, GALILEO and Beidou, mean that AMSA’s DGPS service is no longer needed.

NOAA: What is Geodesy

According to NOAA, geodesy is the science of precisely measuring and understanding three fundamental properties of the Earth; Its geometric shape, its orientation in space, and its gravity field, while also measuring the changes of these properties on time.

European satellite-navigation system remains offline due to outage

The European satellite-navigation system, Galileo, remains offline as it suffered an outage on July 12, which was described as a technical incident regarding its ground infrastructure. Engineers are working to fix the problem, but as of now there is no update regarding when the service will resume.

14 US companies urge for action on GPS interference

On the occasion of the International Day of the Seafarer on 25 June, a total of 14 maritime organizations sent a formal letter to the US Coast Guard Commandant Karl Schultz, requesting the issue of ‘deliberate interference’ with America’s GPS to be resolved.  

GPS interference in Red Sea and Med. Sea

The United States Maritime Administration (MARAD) issued the US Maritime Advisory No. 2019-005 regarding Global Positioning System (GPS) interference in the Eastern Mediterranean Sea and Red Sea. Therefore, the Republic of the Marshall Islands Maritime Administrator urges all RMI-flagged vessels transiting the designated areas listed in the below Advisory to exercise caution.

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