GNSS

Letter to the Editor: Using One Part of GPS, Ignoring Another

October 1, 2012By

The article “Drone Hack” in the August issue of GPS World and Todd Humphreys’ testimony before a House Subcommittee overseeing the Department of Homeland Security cited results of a spoofing experiment Humphreys conducted with University of Texas colleagues, demonstrating that a drone helicopter, navigating principally on the civil GPS signal, could have its vertical channel spoofed, causing it to descend.... read more

This article is tagged with and posted in Aviation & Space, From the Editor, GNSS Opinions, Government Opinions

The System: OCX, GPS III Show Launch Readiness

October 1, 2012By
GPS III SATELLITE, artist’s rendering, courtesy Lockheed Martin.

Raytheon Company and Lockheed Martin successfully completed the first launch readiness exercise for the U.S. Air Force’s next-generation GPS III satellites. The exercise is a key milestone demonstrating the team remains on schedule to achieve launch availability in 2014, the companies said. The Lockheed Martin-built GPS III satellites and the Raytheon-developed next generation GPS operational control system, known as OCX,... read more

This article is tagged with and posted in Augmentation & Assistance, BeiDou/Compass, Galileo, GNSS, GPS Modernization, OEM, The System

Expert Advice: PNT for the Nation

October 1, 2012By

Three Key Attributes and Nine Druthers By Brad Parkinson. Position, navigation, and time (PNT) are essential enablers for warfighter capabilities. They are used in virtually every weapons system of the Department of Defense. The GPS system has become the ubiquitous provider of this military service. In addition, GPS is the backbone of scores of civil applications that have provided startling... read more

Out in Front: The Bronze Prize for Golden Success

October 1, 2012By

We have heard it before, in various fora and in various forms: the GPS program is a victim of its own success. Because the satellites are living so long, launches of new, modernized space vehicles get deferred. And deferred. And deferred. The U.S. Congress meanwhile, for whom “defer” is a code to live by, happily pounces on this as an... read more

This article is tagged with and posted in From the Editor, GNSS, GNSS Opinions, GPS Modernization

GSAT-10 GAGAN Satellite Launched

October 1, 2012By

News courtesy of CANSPACE Listserv.   The Indian Space Research Organisation’s GSAT-10 geostationary communications satellite was launched from the European spaceport in Kourou, French Guiana, on 28 September at 21:18 UTC. The dual-satellite launch also carried the Astra 2F direct-to-home broadcast satellite into orbit for Luxembourg-based operator SES. GSAT-10 contains a payload to support the Indian GPS and GEO Augmented... read more

This article is tagged with and posted in Augmentation & Assistance, GNSS

Manufacture of 37 GLONASS Satellites Planned

September 26, 2012By

News courtesy of CANSPACE listserv:   The internal newspaper of ISS Reshetnev, Siberian Satellite, has reported on the status of current and future manufacturing of GLONASS satellites (loosely translated): “A federal target program, approved by the Russian Government, has provided measures to maintain and develop the GLONASS system. The Reshetnev Company from 2012 to 2020 will manufacture 15 “Glonass-M” satellites... read more

This article is tagged with and posted in GLONASS, GNSS News

Two Compass Satellites Launched

September 19, 2012By
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News courtesy of CANSPACE Listserv.   China successfully launched two BeiDou-2/Compass MEO satellites Tuesday at 19:10:04 UTC. The satellites are designated Compass-M5 and Compass-M6. They are also referred to BeiDou-14 and BeiDou-15. UPDATE: More details have emerged on yesterday’s BeiDou-2/Compass satellite launch. According to Web sources, the new satellites will occupy slots 7 and 8 in Plane A of the... read more

This article is tagged with and posted in BeiDou/Compass, GNSS News

China Satellite Navigation Conference (CSNC 2013)

September 14, 2012By

The fourth China Satellite Navigation Conference (CSNC 2013) has issued a call for papers for the May 15–17, 2013, event in Wuhan, China. The theme of CSNC 2013 is “BeiDou Application — Opportunities and Challenges.” The event will include an academic exchange and a commercial exhibition and technical forum. The deadline for submitting abstracts is October 31, 2012. Full papers... read more

This article is tagged with and posted in BeiDou/Compass, Events, GNSS News