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Image: GPS World

Second SpaceDataHighway satellite successfully launches on Ariane 5

August 8, 2019

The EDRS-C satellite, the second node of the SpaceDataHighway network — also known as the European Data Relay […]


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The satellite Patrick, first of Galileo's Batch 3, will eventually travel from OHB to ESA’s ESTEC technical centre (shown here) in Noordwijk, the Netherlands for rigorous testing in simulated space conditions. (Photo: European Space Agency)

First of Batch 3 Galileo payloads delivered with evolved clocks

August 6, 2019

Galileo is on the march with a new generation of satellites bearing improved atomic clocks. The first of […]


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In February 2016, the USGS rolled out the second-generation ShakeAlert Earthquake Early Warning test system in California. The diagram shows how the system would operate. (Image: USGS)

Early earthquake warnings: GNSS could enable 10-second alerts

July 31, 2019

Previous research suggests that not until halfway through a rupture (90 seconds for a magnitude-9 quake) can magnitude be […]


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Photo: Terra Drone

Terra Drone Brazil conducts unmanned offshore tank inspection

July 29, 2019

Terra Drone Brazil, a group company of Japan-based Terra Drone Corp., has successfully completed Brazil’s first drone inspection […]


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Soldiers in the field learn how to operate in a NAVWAR environment. (Photo: U.S. Army)

SMDC takes lead in Army’s navigation and PNT operations

July 25, 2019

News from the U.S. Army Space and Missile Defense Command/Army Forces Strategic Command The secretary of the United […]


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Photo: Allison Barwacz

NASA program aids with disaster relief efforts

July 24, 2019

Satellite imagery and mapping have proven to be critical technologies when it comes to disaster relief efforts. The […]


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Figure 2. Comparison of Galileo-only solutions using Navigation message ephemeris data and IGS ephemeris. (Image: Politecnico di Torino and LINKS Foundation)

What happened when Galileo experienced a week-long service outage

July 23, 2019

Analysis of the Signal Outage By Fabio Dovis, A. Minetto, A. Nardin, Politecnico di Torino Department of Electronics […]


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Galileo Ground Control Center, Fucino. (Photo: GSA)

Galileo picks itself up and moves on

July 18, 2019

Galileo Initial Services have been restored after a week-long signal outage, according to a statement released on July 18 […]


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