TAG: jamming

PNTAB and eLoran in the People’s Republic

November 11, 2015By
Boulder Colorado Flatirons. (Courtesy of Wikipedia)

That is, in the People’s Republic of Boulder, Colorado. To those of us who live in Colorado, Boulder is known by this seemingly timeless but absolutely accurate appellation. This stunningly beautiful city located in the foothills of the Rocky Mountains, known as the Flatirons, is where the National Space-Based Positioning, Navigation and Timing Advisory Board (PNTAB), which provides independent advice to... read more

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Highlights from the Grand-Daddy of All GNSS Technical Conferences

September 23, 2015By

The ION GNSS+ 2015 Conference once again fielded a jam-packed agenda of papers on subjects  from world-wide constellation updates, through GNSS integrity, indoor navigation demonstrations, multi-constellation/function chipsets, interference mitigation and jamming detection, privacy issues, and many other very interesting subjects.   That’s GNSS+ in the conference name, as in “plus,” denoting the many other positioning, navigation, and timing technologies it covers.... read more

TAG’s Military Survey System on Display at ION GNSS+

September 2, 2015By

Technology Advancement Group (TAG) will be showcasing precision, navigation and timing technology integration solutions at the ION GNSS+ conference, which will be held Sept. 14-15 in Tampa, Fla. In particular, TAG will display a custom-designed military GNSS survey system that is the U.S. Army program of record for geodetic, construction and airfield surveying. TAG’s Precise Positioning Service Global Positioning System Survey (PPS GPS-S) system was designed specifically for... 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

Singapore Joins with China to Develop Apps, Protect BeiDou Signals

June 22, 2015By

Singapore and China are jointly opening a center to develop applications for the BeiDou GNSS, according to a report in Space News. The nations also have signed a commercial agreement to create anti-jamming systems to protect BeiDou signals. At a briefing during the CommunicAsia show held in Singapore May 31-June 2, SpaceTime Technology Pte Ltd. and ST Electronics (Satcom & Sensor Systems) Pte Ltd.... read more

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Expert Advice: Low-End Jam Resilience May Not Be Desirable

May 29, 2015By
Jan Wendel

At the European Navigation Conference held in Bordeaux, France, April 7–10, a keynote session and ensuing panel discussion addressed the issue of “GNSS Resilience for Terrestrial and Naval Applications.” During the discussion, two questions from the floor drew these responses from panelist Jan Wendel of Airbus Defence & Space GmbH, a leading European aerospace company. read more

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Jammer Hunting with a UAV

May 4, 2015By

A fully autonomous, unmanned aerial vehicle (UAV)-based system for locating GPS jammers, currently under development, seeks to localize a jammer to within 30 meters in less than 15 minutes in an area comparable to that of an airport. Ultimately, the design team targets the ability to locate multiple, simultaneous jammers, and navigate in intermittent GPS and GPS-denied environments using a... read more

KVH Receives $1.5M Order for TACNAV Systems

May 1, 2015By
Credit: U.S. Armed Services.

KVH Industries Inc. has received a $1.5 million contract for the delivery of tactical navigation systems for use by an international military customer in an armored vehicle application. A variant of KVH’s TACNAV TLS and TACNAV Light, the system is designed to help military vehicle crews maintain 100% situational awareness. The hardware shipments for this order are expected to be... read more