B: Applications

Trimble Launches UAS Photogrammetry System
June 19, 2013

Trimble Launches UAS Photogrammetry System

Trimble has introduced its next-generation unmanned aircraft system (UAS) — the UX5 aerial imaging rover with the Trimble Access aerial imaging application.
 
According to the Sunnyvale, California– based company, the new UAS enhances the image quality and workflows its predecessor, the Trimble Gatewing X100. Combined with the Trimble Business Center photogrammetry office software module, the Trimble UX5 is provides a UAS photogrammetric mapping solution specifically designed for surveyors and geospatial professionals.   
 

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By Inside GNSS
House Committee Makes Deeper Cuts to FY14 GPS Budget
June 18, 2013

House Committee Makes Deeper Cuts to FY14 GPS Budget

The House Appropriations Committee has made a series of cuts to GPS programs that, if agreed to by the Senate, suggest an overall slowdown in the pace of GPS modernization.

While lawmakers on the House Authorization Committee agreed to the full amount of each of the president’s GPS-related requests, their counterparts on the Appropriations Committee cut a total of just over 9 percent from the total budget request for GPS spacecraft, ground systems, and user equipment.

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By Inside GNSS
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CNAV Tests Begin on GPS L2C and L5 Signals
June 16, 2013

CNAV Tests Begin on GPS L2C and L5 Signals

The U.S. Air Force Space Command (AFSPC ) began testing modernized civil navigation (CNAV) message capabilities on the GPS L2C and L5 signals for the first time yesterday (June 15, 2013).

This first test period is scheduled to continue through July 1 (Julian Day 182), according to a Notice Advisory to NAVSTAR Users (NANU 2013034), although a tentative CNAV test plan shows the tests ending on June 29.

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By Inside GNSS
Spirent Launches Multi-Frequency Wideband GNSS Record & Playback System
June 10, 2013

Spirent Launches Multi-Frequency Wideband GNSS Record & Playback System

Spirent Communications has launched its GSS6425 multi-frequency GNSS record and playback (RPS) test system, a self-contained and portable unit that allows  users to record and play back data in the field without the need for an additional PC or external power.

The GSS6425 provides customers with RF recordings on for GPS, GLONASS, Galileo, BeiDou, and QZSS (Japan’s Quasi-Zenith Satellite System) constellations, including L1, L2, and L5 frequencies representing more than 30 megahertz of bandwidth.

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By Inside GNSS
Air Force Proposes Dramatic Redesign for GPS Constellation
June 4, 2013

Air Force Proposes Dramatic Redesign for GPS Constellation

[Updated June 3, 2013] With the budget vise tightening, top Pentagon managers are readying some potentially dramatic changes to the GPS constellation — changes that promise to lower both the cost of the satellites and the expense of putting them into orbit.  

The first changes would be subtle and are linked to buying the next block of GPS III satellites — a decision that sources confirm will be made by the end of September.  

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By Dee Ann Divis
GNSS Hotspots | May 2013
May 28, 2013

GNSS Hotspots | May 2013

1. PESTS

State of California, USA
√ The California Agriculture department is using collective intelligence and GPS to “report a pest.” State residents can download the new CDFA smartphone app and use it to photograph and report bad bugs when they see ‘em. Those with iPhones can choose to send GPS coordinates for quick response to invasive pest emergencies.

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By Inside GNSS
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BeiDou

BeiDou

Since announcing plans in late 2006 to build its own GNSS system — BeiDou-2 (BDS), China proceeded quickly to establish a fully operational regional system late last year with a clear plan to complete a global system by 2020.

Beginning with its first launch in April 2007, BDS has put 16 satellites in orbit, some in dual launches, with 14 BeiDou space vehicles currently transmitting healthy signals: 5 in geostationary orbits (GEO), 5 in inclined geosynchronous orbits (IGSO), and 4 middle Earth orbit (MEO) spacecraft.

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By Inside GNSS
Di Qiu: Opportunities of Signals

Di Qiu: Opportunities of Signals

SIDEBAR: Di Qiu’s Compass Points

Landing all-weather aircraft safely in storms. Protecting sensitive data not only through encryption but based on the location at which it is being accessed. Ensuring that accurate and timely information reaches first responders responding to emergencies. 

Although still in the early part of her career, Di Qiu has already made significant contributions to these crucial applications of navigation technology. 

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By Inside GNSS
GPS Civil Funding Request Slashed
May 20, 2013

GPS Civil Funding Request Slashed

With just more than four months to go in the 2013 fiscal year, sequestration and furloughs are taking a bite out of key research and the work of the National Coordination Office (NCO) for Space-Based Positioning, Navigation, and Timing (PNT) — the government nexus for GPS-related policy matters.

The NCO is an interagency organization, explained its director, Jan Brecht-Clark in an emailed response; so, “each individual staff member is subject to furloughs implemented by their home agency as a result of sequestration.”

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By Inside GNSS
GENIUS Workshop: Vulnerabilities of GNSS

GENIUS Workshop: Vulnerabilities of GNSS

The October entry in this EU-sponsored series of free GNSS training workshops concerns GNSS vulnerability. It will take place at the University of Nottingham on October 8, 9 and 10.

The instructors will be Terry Moore, Alan Dodson and Marcio Aquino, all faculty at University of Nottingham Geospatial Institute.

The topics:

GNSS Overview: Position fixing, dead reckoning, space segment and SV blocks, ground control and improvement programs,user segment and applications

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By Inside GNSS
White House Moves to Harden Infrastructure against GPS Disruption
May 13, 2013

White House Moves to Harden Infrastructure against GPS Disruption

System engineers across the country may soon be planning, in some cases perhaps for the first time, what they would do if they could not use the GPS service.

The effort is part of an expanded White House initiative to protect the nation’s critical infrastructure. Alhough infrastructure protection programs have been under way for some time, they did not necessarily address GPS vulnerabilities explicitly.

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By Inside GNSS
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