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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,

August 28, 2010

IS-GPS-200E: Flexing Power and Fixing Phrase Ambiguities

High-precision users of GNSS are used to solving for carrier phase integer ambiguities, but the recent publication of a GPS technical document has fixed a different kind of phase ambiguity — a linguistic one

August 26, 2010

Rockwell Delivers First GB-GRAM-M Prototypes to GPS Wing

Rockwell Collins has delivered 21 prototype Ground-Based GPS Receiver Application Module Modernized (GB-GRAM-M) receivers that the Cedar Rapids, Iowa– headquartered company developed under the GPS Wing’s receiver card development program.

New Builds • August 26, 2010

Hemisphere GPS Announces Earthworks X300 Excavator, Partners to Provide Customized Outback S3

Hemisphere GPS has signed a multi-year exclusive agreement to supply the S3-S Navigator — a customized Outback S3 precision guidance system — for Summit Liability Solutions. Both companies are based in Calgary, Alberta, Canada.

New Builds • August 26, 2010

Applanix Releases Updated POS for Land Vehicles

Applanix recently released Version 5 of its Position and Orientation System for Land Vehicles (POS LV).

According to the company, the system uses integrated inertial technology and is designed to generate stable, reliable and repeatable positioning solutions for land-based vehicle applications such as road geometry, pavement inspection, GIS database and asset management, road surveying and vehicle dynamics. The company says the unit is designed to operate under the most difficult GPS conditions in urban and suburban environments.

August 24, 2010

CDR Passed: GPS III Ready for Build Phase

More than two years into a multi-billion-dollar contract, the Lockheed Martin team developing the U.S. Air Force's next-generation GPS Block III satellites continues to defy the physics of large aerospace programs by successfully completing the program’s Critical Design Review (CDR) phase last week — two months ahead of the baseline schedule.

August 19, 2010

Air Force Approves 3 GPS Technical Specs

The GPS Wing has authorized publication of three technical documents with updated specifications for the U.S. Global Positioning System, including the next-generation GPS Block IIIA satellites now in development, the L5 radio link, and the new L1 civil signal  (L1C) that will be available with the GPS III spacecraft.

August 18, 2010

High-Integrity Global Positioning at Issue as Congress Works Through 2011 GPS Funding

GPS-related procurement and development items in President Obama’s proposed budget for fiscal year 2011 are moving through Capitol Hill, but not without contention. At issue is Obama’s request for $40.9 million for the High-Integrity Global Position System (HIGPS, also known as iGPS).

Inside GNSS • September 2010

GPS IIF-1 Satellite

For the complete story, including figures, graphs, and images, please download the PDF of the article, above.

On May 27, 2010, the U.S. Air Force successfully launched the first satellite of the Block II “follow-on” (Block IIF) series, the fourth generation of GPS spacecraft that features more precise and powerful signals, an extended design life, and several other technical advances.

October 25, 2010 - October 27, 2010
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