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October 16, 2014

GNSS+: PNT Heads for the Great Indoors

A confluence of technology, policy, and applications is turning indoor venues into the next big frontier for positioning and navigation.

Recent market studies have heralded the prospects for positioning, navigation, and tracking inside buildings where GNSS signals are often attenuated or blocked entirely. Many products and conceptual designs combine the indoor technologies with GNSS to provide “ubiquitous” positioning.

October 16, 2014

ICAO, RTCA Seek New Protections for GNSS Aviation Receivers

International aviation officials have asked U.S. experts to consider updating standards for GNSS aviation receivers to improve their ability to withstand interference from repeaters, pseudolites, and jammers.  

Repeaters — generally used to extend navigation signals inside buildings where they would otherwise be blocked — rebroadcast GNSS satellite signals and therefore operate in the same frequency band. Although useful within a building,  care must be taken to confined the repeater’s signal lest it confuse other receivers operating nearby.

New Builds • October 16, 2014

Raytheon UK Announces Upgraded GPS Anti-Jam Technology

Raytheon UK launched a new enhanced version of its battlefield GPS L1/L2 anti-jam (GPS-AJ) capability, Landshield, this week (October 13–15) at the annual conference of the Association of the U.S. Army (AUSA 2014) in Washington, D.C.

A multi-element antenna with the anti-jam processing in a single small “one-box” form factor that interfaces at the RF level, Landshield is designed to enable GPS equipment to function unimpaired against a full range of hostile jammer types including narrow band, broadband, continuous wave, pulse, swept, and spectrally matched.

October 8, 2014

UAVs at INTERGEO: Applanix, Others Announce GNSS-Guided Systems

Unmanned aerial vehicles (UAVs) are getting a lot of attention this week at the INTERGEO conference and exhibition in Berlin, Germany, where a special session on Tuesday (October 7, 2014), “UAVs in Practice,” focused on their use in airborne surveying and mapping, environmental monitoring, and other commercial or civil applications.

New Builds • October 7, 2014

OxTS Offers Lightweight INS OEM Board

Oxford Technical Solutions Ltd. (OxTS) has announced its first inertial navigation OEM board set with integrated GNSS — the xOEM500, which the company is promoting at this week’s (October 7–9, 2014) Intergeo trade show in Berlin, Germany.

New Builds • October 1, 2014

VectorNav Introduces Dual-Antenna GPS/Inertial MEMS Unit

VectorNav Technologies, now based in Dallas, Texas, offers the VN-30, a miniature dual GPS-aided inertial navigation system that combines MEMS inertial sensors, two high-sensitivity GPS receivers, and an onboard extended Kalman filter algorithms to provide estimates of position, velocity, and orientation for industrial applications.

Inside GNSS • September/October 2014

GNSS Hotspots

1. STOP THE CAR!
Las Vegas, Nevada USA

Thinking Aloud • September/October 2014

A Learning Experience

My favorite bumper sticker this month: “Oh, no! Not another learning experience!”

After 20 years of putting together a European GNSS program, disappointment over the skewed launch of the first fully operational Galileo satellites is palpable and widely felt. For end users, it is uniformly bad news, and no system provider that sincerely wants to achieve interoperability and robustness in a system of GNSS systems can relish the European program’s current difficulties.

September 26, 2014

FAA Begins Opening Airspace to Unmanned Aircraft as NextGen, ADS-B Draw Fresh Scrutiny

Aviation officials Thursday (September 25, 2014) for the first time approved the use of unmanned aircraft for commercial filming in the United States, opening the door to what is expected to be a slow-building gold rush to the skies.

Six companies received exemptions from the existing rules, which generally ban the commercial use of unmanned aerial systems or UAS. The exemptions were granted to RC Pro Productions Consulting LLC dba Vortex Aerial, Aerial MOB LLC, Astraeus Aeria, HeliVideo Productions LLC, Pictorvision Inc., and Snaproll Media LLC.

Inside GNSS • September/October 2014

OCX Program Restructured, Delayed Again

Editor’s Note: An exclusive interview with Gen. Hyten is available here with more details.

Details are emerging about another restructuring of the contract for the new GPS ground system, a deal that pushes completion of the project back another two years and recasts the remaining work to fit within the Air Force’s strained financial profile.

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