GNSS

GPSIA Submits Filings Supporting 1 dB Standard for GPS Adjacent Band Assessment

October 20, 2015By

WASHINGTON – On Friday, Oct. 16, the GPS Innovation Alliance (GPSIA) submitted two filings regarding federal spectrum policy. Comments were filed in response to a public notice in the U.S. Department of Transportation’s (DOT) GPS Adjacent Band Compatibility assessment, and testimony was submitted for the record to a U.S. House Energy and Commerce subcommittee in response to its recent hearing,... read more

International Symposium on Navigation and Timing Coming in November

October 16, 2015By
Air_France_F-GSPY_777-O

The International Technical Symposium on Navigation and Timing takes place Nov. 16-17 in Toulouse, France, bringing together experts in positioning, GNSS and air navigation. Registration is free, but mandatory, and the number of seats is limited. Site of the symposium is the Ecole Nationale de l’Aviation Civile (ENAC). The symposium is organized by ENAC in cooperation with the Centre National d’Etudes Spatiales... read more

This article is tagged with and posted in Featured Stories, GNSS, Latest News

GPS IIF-11 Set to Launch Oct. 30

October 13, 2015By

A United Launch Alliance Atlas V 401 will launch the GPS IIF-11 mission for the U.S. Air Force on Friday, Oct. 30, from Space Launch Complex-41 at Cape Canaveral Air Force Station, Fla. GPS IIF-11 is the second to last of the Block IIF satellites, incorporating improvements to provide greater accuracy, increased signals, and enhanced performance for users. The GPS IIF satellites deliver... read more

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

Last of 12 GPS IIF Satellites Arrives at Cape Canaveral

October 13, 2015By
A quality assurance team from the 45th Launch Group off-loads a GPS IIF-12 satellite from a C-17 Globemaster III on Cape Canaveral Air Force Station, Fla., Oct. 8. A crowd from the government and industry partnership, who will complete the satellite’s final assembly, gathered on the Cape’s “Skid Strip” to watch the off-loading of the satellite they will prepare to launch aboard a United Launch Alliance rocket in 2016. (U.S. Air Force photo/James Rainier)

The last Air Force GPS IIF in a block of 12 satellites was delivered to Cape Canaveral Air Force Station, Florida, from Boeing’s manufacturing facility in El Segundo, Calif., Oct. 8 via a C-17 Globemaster III. A crowd from the government and industry partnership, who will complete the satellite’s final assembly, gathered on the Cape’s “Skid Strip” to watch the... read more

UK Government Releases Space Weather Preparedness Strategy

October 12, 2015By
The different space weather phenomena. (Image: UK Department for Business Innovation & Skills)

A “Space Weather Preparedness Strategy” has been issued by the government of the United Kingdom. The document sets out the nature of the risk to the UK from severe space weather, as well as progress made to prepare for the risk and priorities for future work. Responsibility for managing the risk passed from the Cabinet Office to the Department for Business,... read more

This article is tagged with and posted in Featured Stories, GNSS, Latest News

Newest GNSS Satellites Being Tracked

October 12, 2015By

News courtesy of CANSPACE Listserv. Galileo has added two satellites to its constellation. Shortly after the Galileo satellite using the E24 PRN code started transmitting, its sibling began transmitting using code E30. Several stations participating in the International GNSS Service Multi-GNSS Experiment are tracking the new satellites. Prof. René Warnant from the University of Liege has reported that as of 10 October,... read more

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

ISRO: All 7 IRNSS Satellites in Orbit by March

October 8, 2015By

All seven satellites of Indian Regional Navigation Satellite System (IRNSS) are expected to be in orbit by March 2016, reports New Delhi Television, citing Indian Space Research Organisation (ISRO) Chairman Kiran Kumar. “We expect by March 2016 all the seven constellation of IRNSS to be in orbit,” Kumar said. Four IRNSS satellites are now in orbit, with three remaining to complete... read more

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

Innovation: Faster, Higher, Stronger

October 8, 2015By
FIGURE 2. Typical sequence of position fix process in standalone GPS user equipment (Msr=measurements).

Proposed GNSS Navigation Messages for Improved Performance
In this month’s column, we look at proposed changes to the way navigation messages are formulated that could result in a future satellite navigation system providing faster fixes effectively giving receivers higher sensitivity and stronger performance. read more