TAG: jamming

Expert Advice: The Impact of RFI on GNSS Receivers

April 1, 2015By

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

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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KVH Receives $19 Million Order for FOG-Based Navigation Systems

October 15, 2014By

KVH Industries, Inc., has received a $19 million contract for the delivery of a new fiber optic gyro (FOG)-based tactical navigation system for use by an international military customer in an armored vehicle application. A variant of KVH’s TACNAV FOG product and KVH’s new TACNAV 3D, the system provides continuous high-accuracy position and orientation even when GPS is lost or jammed. Work... read more

This article is tagged with , , , , and posted in Defense, Latest News

Loctronix IDS Captures Real-World GPS Jamming Interference

October 14, 2014By

A newly published white paper by Loctronix Corporation presents preliminary test results of its Interference Detection System (IDS), which included capturing two separate incidents of intentional interference caused by a sweep jammer device. On October 23, Loctronix will host a webinar, “Detecting GNSS Interference in the Wild,” based on the findings revealed in the white paper “Catching a Jammer.” In recent... read more

Danger, Will Robinson! Beware the IMES of Japan

October 8, 2014By

In May 2011, Dinesh Manandhar and Hideyuki Torimoto of GNSS Technologies, Inc., Japan, penned a very interesting article in GPS World titled – Opening Up Indoors: Japan’s Indoor Messaging System, IMES. The opening paragraph of their lengthy article seemingly describes the Holy Grail for the indoor positioning lobby: “An indoor messaging system (IMES) has been developed to meet the challenges of indoor... read more