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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.

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.

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Inside GNSS • September/October 2014

GNSS Hotspots

1. STOP THE CAR!
Las Vegas, Nevada USA

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

GNSS & Geodesy

In August, a group of scientists at the Scripps Institution of Oceanography reported that the severe drought gripping the western United States in recent years is causing a “uplift” in the western United States.

About the same time, governmental agencies were reporting widespread cases of land subsidence in California’s central San Joaquin Valley caused by overpumping of water from wells there.

GNSS Solutions • September/October 2014

How do you trust centimeter level accuracy positioning?

Q: How do you trust centimeter level accuracy positioning?

New Builds • September 20, 2014

Sensonor Upgrades MEMS IMU; STIM300 Featured in NovAtel, Norbit Systems

Sensonor has announced new features for its STIM300, a small, lightweight micro-electro-mechanical system (MEMS) inertial measurement unit (IMU) that provides non-GPS–aided positioning in multiple domains.

The STIM300 — which can be used underwater, on land and sea, and in aeronautic and astronautic applications — now has real-time g-compensation in al axes and supports rates of up to 2000 degrees/second.

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