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July 8, 2011

NTIA Asks FCC to Delay LightSquared Rollout

[Updated July 9, 2011] The National Telecommunications and Information Administration (NTIA) on July 6 asked the Federal Communications Commission (FCC) to hold off on allowing LightSquared to begin commercial operations, pending further evaluation of the cellular broadband system’s interference to GPS.

July 7, 2011

Sixth International Committee on GNSS Meeting Begins September 5 in Tokyo

ICG-6, the sixth meeting of the UN's Sixth Meeting of the International Committee on GNSS, will take place in Tokyo from September 5-9.

July 5, 2011

Lockheed Martin Team Completes GPS IIIB System Design Review

Lockheed Martin has announced the successful, on-schedule completion of a system design review (SDR) for the second-phase of next-generation GPS satellite development, the IIIB increment.

The company’s Space Systems division in Newtown, Pennsylvania, is under contract to produce the first two of a planned eight GPS IIIA satellites, with first launch projected for 2014. The contract includes a Capability Insertion Program (CIP) designed to mature technologies and perform rigorous systems engineering for future GPS III increments.

July 2, 2011

FCC Invites Comment on LightSquared Interference to GPS

Individuals and organizations wishing to comment on the recently released technical working group (TWG) report on LightSquared’s interference to GPS as well as the company’s proposal for dealing with the problem have until July 30 to submit statements to the Federal Communications Commission (FCC).

In a release dated June 30, the agency noted that the TWG effort “identified significant technical issues” related to potential LightSquared interference in the upper portion of the L-Band, next to the band used by GPS.

July 1, 2011

LightSquared GPS Interference Report and Recommendation to FCC Fuels the Fight

LightSquared submitted a 318-page report to the Federal Communications Commission (FCC) yesterday (June 30, 2011) on the months-long effort of a technical working group (TWG) to investigate the effects of the would-be cellular broadband company’s terrestrial transmitters on GPS receivers operating in an adjacent RF band.

Inside GNSS • July/August 2011

GPS Interference Testing

Interference can pose a threat to the reception of GNSS signals in a variety of ways. Even low-level signals have the potential to interfere with GNSS receivers, which require very high sensitivity for acceptable performance due to the extremely low received GPS signal power at the Earth’s surface.

Events • June 26, 2011

Summer Dreams: Case Western Wins Robotic Lawnmower Contest

A team from Case Western Reserve University in Cleveland, Ohio took home the top $15,000 prize and a special award for the most aesthetically pleasing cut in the three-day 2011 Robotic Lawnmower Competition held in Dayton, Ohio on May 31 through June 2.

The second place award of $10,000 went to Auburn University and Wright State University won the third place prize of $5,500.  

Ventures • June 30, 2011

USA Challenge Competition Seeks Satellite Navigation Apps

[Updated June 30] Lucky you - you have three extra days to submit your GNSS application idea to the USA Challenge! The extended deadline is midnight Sunday (Europe) or 3 P.M. (Pacific time) on July 3.

Right now, some team is hard at work in a basement, an office, a dorm room or a lab. They are about to come up with a new, useful and commercially viable idea for a satellite navigation application or location based service.

October 5, 2011 - October 6, 2011
Exton, Pennsylvania USA
Events • June 28, 2011

First Encounters: Asteroid MD 2011 Meets the GPS Constellation

A schoolbus-sized asteroid grazed the Earth's atmosphere around 1:00 P.M. (EDT)  on June 27. It was 7,600 miles (12,300 km) away at its closest point, at which time it veered away across the South Atlantic Ocean.

It actually passed through the GPS constellation, alerting us to the vulnerability of our vital PNT space vehicles. We can now add asteroids to the the list of GNSS collision risks that already includes other satellites and space debris.

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