Inside GNSS: Engineering Solutions from the Global Navigation Satellite System Community
GPS Galileo Glonass BeiDou Regional/Augmentation
Thought Leadership Series
October 4, 2010

GAO on GPS (Again): Challenges in Sustaining and Upgrading Capabilities Persist

A new report on the GPS program from the Government Accountability Office (GAO) finds the situation considerably improved from last year, when its prediction of a significant risk of the satellite constellation falling below 24 satellites set off alarms in Congress and among the user community.

September 30, 2010

Raytheon Completes GPS OCX Integrated Baseline Review

The U.S. Air Force and the Raytheon Company team developing the GPS Advanced Control Segment (OCX) has successfully completed an integrated baseline review (IBR) for the next-generation system on schedule.

September 30, 2010

Senate Committee Approves 2011 GPS Appropriations

Recent action by the U.S. Senate Appropriations Committee has advanced a Fiscal Year 2011 (FY11) Defense spending bill (S. 3800) that essentially accepts the GPS elements of President Obama’s budget proposal, including $40.9 million for the high-integrity GPS  (HIGPS) demonstration project.

January 24, 2011 - January 26, 2011
San Diego, California USA
September 27, 2010

"Michibiki," Japan's First QZSS Navigation Satellite, Reaches Quasi-Zenith Orbit

(UPDATED September 27) Japan's first quasi-zenith satellite launched successfully from the Tanegashima space center on September 11, 2010 and reached its quasi-zenith orbit on Monday, September 27.

Michibiki means to guide or lead the way, appropriate for the first entry into Japan's satellite augmentation program that will vastly improve GNSS accuracy over Japan and the rest of East Asia.

September 10, 2010

Oregon: More GPS Product Design and GNSS-related Industry Here Than You May Think

by Glen Gibbons

Few would mistake Oregon for the beating heart of GNSS. Still,  for a medium-sized U.S. metro area in the Pacific Northwest, Portland  and Oregon's I-5 corridor has enough relevant involvement with the industry to justify hosting the Institute of Navigation's 2010 GNSS conference and exhibition.

Oregon has FLIR Systems, Cloud Cap Technology, TriQuint, Intel, Garmin and Inside GNSS magazine.

September 9, 2010

NaviForum Shanghai: U.S. Seeks Bilateral Talks with China on GNSS

The United States brought a strong message that it is pursuing a new direction in GNSS relations with China in presentations at the 2010 NaviForum in Shanghai last week.

Inside GNSS • October 2010

When GNSS Goes Blind

A completely GPS-based navigation solution is generally not feasible in GNSS signal–challenged environments such as urban canyons. However, even in these difficult environments a partial set of GPS signal measurements may still be available. For instance, one or two satellites are generally still visible even in dense urban canyons.

September 4, 2010

U.S. Space Lead Slipping, New Report Says

The United States remains the current leader in space competitiveness, but its relative position is eroding in the face of increased funding, streamlined policy, and industrial improvements in other space-faring nations.

August 27, 2010

SVN62, the First GPS IIF Satellite, Is Set Healthy

The U.S. Air Force declared the first GPS Block IIF satellite (SVN62) operational today (August 27, 2010), changing the spacecraft's navigation signal status to healthy at about 10:10 a.m. (EDT or 4:10 a.m. UTC). 

Launched May 28, the satellite became the responsibility of the USAF 50th Space Wing on August 26,

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