GNSS

Happy 20th Anniversary, GPS!

April 24, 2015By
Block-II-IIA-O

The Global Positioning System marks its 20th year of operation on Monday, April 27. Below is a timeline showing important milestones in the 20 years since the constellation reached full operational capability (FOC) on April 27, 1995. FOC was formally announced on July 17, 1995. GPS Operational History Timeline read more

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60 Minutes Segment on AFSPC Set for Sunday

April 24, 2015By
60-minutes-O

CBS’s 60 Minutes will air a special two-part segment on Air Force Space Command (AFSPC) this coming Sunday, April 26, reflecting a broad array of AFSPC missions — launch, satellite operations, missile warning, acquisition, and the Joint Space Operations Center. The GPS Directorate is a joint service effort directed by the United States Air Force and managed at the Space and Missile Systems Center... read more

International Symposium on GNSS Coming to Kyoto

April 23, 2015By
Kyoto-banner-W

The 2015 International Symposium on GNSS has been announced for Nov. 16–19 in Kyoto, Japan, and registration is now open, along with full information about the event. The GPS/GNSS International Symposium was first held in 2000 in Seoul and has been held annually ever since, rotating among Korea, China, Japan, Australia, Malaysia and Taiwan. The 2008 meeting in Tokyo attracted 428... read more

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Galileo Update, Ionospheric Model Shared at ENC

April 23, 2015By

This year’s European Navigation Conference (April 7–10 in Bordeaux, France) got underway with “Good news from up there .…” Galileo’s seventh and eighth satellites launched successfully in late March, the European Space Agency (ESA) plans four more satellites to reach orbit in 2015, and space maneuvers for Galileo 5 and 6 have been completed, with a recovery plan currently under... read more

All Systems Go, with a Spring into Space

April 22, 2015By

Planet Earth gained five new navigation satellites in late March, for four satellite systems. GPS. The U.S. Air Force’s ninth GPS Block IIF satellite (GPS IIF-9) launched on March 25 from Cape Canaveral, Fla. The IIF-9 rode aboard a Delta IV rocket, the workhorse of the GPS fleet for successful launches. The satellite was declared operational on April 21. “Many... read more

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NASA’s James L. Green to Headline ION GNSS+ 2015

April 22, 2015By
James L. Green, director of Planetary Science for NASA.

James L. Green, director of Planetary Science for NASA, will take the audience on a journey navigating through the solar system at The Institute of Navigation’s ION GNSS+ 2015 Conference. Green’s keynote address will show new worlds and new discoveries through the eyes of NASA’s planetary spacecraft. The conference takes place Sept. 14-18 at the Tampa Convention Center in Tampa, Florida. At NASA, Green is responsible for solar system exploration... read more

GPS IIF-9 Satellite Declared Operational

April 21, 2015By

GPS IIF-9, launched March 25, has been declared healthy and operational by the U.S. Air Force. The Air Force issued the following Notice to NAVSTAR Users (NANU). The next GPS satellite, GPS IIF-10, is scheduled for launch on June 16, with GPS IIF-11 following three months later, on September 16. read more

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GPS Glitch Two Years Older than First Stated

April 15, 2015By

On Wednesday, the GPS Directorate said further data analysis shows that a technical error affecting some Boeing GPS IIF satellites first appeared in 2011, two years earlier than originally stated, according to a Reuters report. The error first appeared one year after the GPS IIF satellites became operational. The error affects the way the ground control system builds and uploads messages transmitted by the satellites, but... read more