TAG: GPS jamming

System of Systems: OCX passes first qualification

May 1, 2016By

OCX Passes First Qualification Raytheon, US Air Force Complete Test Milestone On March 4, Raytheon successfully passed the first formal qualification test milestone for the U.S. Air Force’s GPS Next Generation Operational Control System (GPS OCX). The new system offers significant improvements to the GPS on which the U.S. military and millions of civilians rely, including enhanced availability, accuracy and... read more

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South Korea issues warning over suspected North Korean GPS disruption

March 31, 2016By

South Korea issued a warning Thursday after detecting satellite signal disruptions that appeared to be coming from North Korea, according to the Korea Herald. The capital city of Seoul appeared to be the target. Officials said North Korea discharged a large amount of radio waves to jam GPS signals in the region. “We’ve detected signs that North Korea has been... read more

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You be the judge: To eLoran or not?

December 16, 2015By

Readers of GPS World, its e-newsletters, website — and all interested PNT parties — are invited to register their opinion in the current poll at gpsworld.com/janpoll. Should the U.S. government install a full eLoran network of broadcast stations to back up GPS in case of jamming, interference or other emergencies? Yes. No. More study is needed before answering this question.... read more

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Sentry Stands on Jammer Alert

July 31, 2015By
FIGURE 4. Urban area test; jammer locations
in yellow, locations delivered by Signal
Sentry in red, sensor locations in green.

By Jeffrey Coffed and Joseph Rolli, Harris The first and best step to combat the growing worldwide problem of GPS jamming is to pursue technologies that can detect and locate the jammers. Signal Sentry 1000 uses arrayed sensors to do just that: look out for jamming and track down its source once sensed. An array of sensors can be deployed... read more

Protecting Position in Critical Operations

April 30, 2015By
Photo credit: Simon Greter (Wikimedia Commons, CC-BY-SA 3.0)

In January, the U.S. Coast Guard described how a major East Coast intermodal shipping facility was degraded by a GPS disruption for more than seven hours. read more

Loctronix Advances GNSS Integrity Monitoring with HGX Interference Detection System

September 10, 2014By

Loctronix Corporation, a provider of positioning, navigation, and timing (PNT) solutions for GNSS-challenged environments, has unveiled the HGX Interference Detection System (IDS) for identifying and monitoring intentional and unintentional interference sources. The IDS is being demonstrated September 10-11 at ION GNSS+ 2014, in Tampa, Florida. “The IDS can detect sources of interference ranging between 5 dB and 60 dB GNSS jamming to signal... read more

Assured PNT for Our Future: PTA

September 1, 2014By

Actions Necessary to Reduce Vulnerability and Ensure Availability By Brad Parkinson (From the 25th Anniversary GNSS History Special Supplement) Introduction About 40 years ago, we had a vision for positioning, navigation, and timing (PNT). That vision was more than successful, and became known as GPS. In some respects we have been almost too successful: PNT is frequently taken for granted.... read more

Chemring Develops Miniaturized GPS/Galileo Anti-Jamming Technology

July 14, 2014By

Chemring Technology Solutions has developed miniaturized GPS anti-jamming technology it has dubbed GINCAN. GINCAN is designed to combat illegal GPS jammers and is based on the adaptive antenna concept used by military systems. GINCAN has a chip footprint of six millimeters squared. GINCAN’s reduced size and weight will significantly cut power usage and cost, the company said, making it ideal for combatting the... read more