TAG: jamming

Jammer Hunting with a UAV

May 4, 2015By
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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

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

Expert Advice: The Impact of RFI on GNSS Receivers

April 1, 2015By
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By Fabio Dovis When subjected to very strong interference, a GNSS receiver can be totally blinded and stop working. This is often the scope of intentional jammers. However, in a number of cases the presence of interference is severe enough to significantly decrease receiver performance, but not so much as to make the receiver lose its lock on the satellite signals... read more

All GNSS Attend, But Galileo Gets the Spotlight

March 30, 2015By

First and foremost, let’s give a big hand to Adam and Anastasia, the two Galileo FOC satellites that were successfully launched on March 27. Following the not-so-successful Galileo launch in August, it was imperative that this go smoothly. Although the Double-A launch occurred after the conclusion of this year’s Munich Satellite Navigation Summit, anticipation of the event set the context... read more

Bill Supports eLoran as GPS Backup

March 27, 2015By

A bi-partisan group of legislators led by Congressman John Garamendi (D-Calif.) has introduced a bill that would require the U.S. Secretary of Defense to establish a backup for GPS within three years using eLoran. The National Positioning, Navigation, and Timing Resilience and Security Act of 2015, H.R. 1678, was co-sponsored by Congressmen Duncan Hunter (R-Calif.), Peter DeFazio (D-Ore.), and Frank LoBiondo (R-N.J). Garamendi is the... read more

KVH Receives $4.3M Order for Military Navigation Systems

November 3, 2014By
The KVH TACNAV II.

KVH Industries, Inc., has received a $4.3 million order for its TACNAV tactical navigation systems from a new customer who is a major defense contractor providing armored vehicles for an international military client. With a short delivery requirement, shipments for this order are expected to be substantially completed in the fourth quarter of 2014. “KVH is extremely pleased to be... read more

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