GPS Modernization

GLONASS Blackout Coincides with Loran Authorization-in-Progress

April 8, 2014By

Russia’s April 1 GLONASS blackout occurred, ironically, only hours after the U.S. House of Representatives passed legislation to preserve infrastructure that could support a back-up system for GPS that could be used for critical infrastructure and applications in the event of a similar disaster occurring in the United States. The 2014 Coast Guard Authorization Act requires the Department of Homeland... read more

This article is tagged with and posted in Augmentation & Assistance, GLONASS, GPS Modernization, Latest News

GPS III Alternative Payloads Canvassed

April 1, 2014By

GPS III prime contractor Lockheed Martin has heard from six companies concerning alternate designs for the GPS III satellite payload, according to reports. A company spokesperson said “constantly canvassing the industrial base to see what’s out there” is merely part of Lockheed’s standard business practice. Lockheed Martin partner Exelis Geospatial Systems currently supplies the payload, as it has for all... read more

This article is tagged with and posted in GNSS News, GPS Modernization

The System: Galileo Countdown, PNT Advisory Board

April 1, 2014By

Galileo Countdown to 10 by Year’s End Signs Point Toward Early Services in December, If ESA Delivers A February conference on the European Union’s space policy in Brussels sought to set a course for 2020 and close official ranks behind the prospect of early Galileo services at the end of this year. Much in the business community’s perception of the... read more

General Dynamics Awarded $26M for GPS III Communications

March 25, 2014By
GPS-III-AHI-O

General Dynamics Advanced Information Systems, a business unit of General Dynamics, has been awarded a $26 million contract from Lockheed Martin to support the U.S. Air Force GPS III  Network Communications Element (NCE). General Dynamics is already under contract with Lockheed Martin to produce the NCE for the first four GPS III space vehicles (SV01-SV04), as well as for the... read more

ENC GNSS 2014 Program Now Online

March 18, 2014By

The European Navigation Conference (ENC) will be held April 15-17, 2014, in the World Trade Center in Rotterdam, The Netherlands. The conference aims at technology, innovation, and business in the PNT domain (positioning, navigation, and timing). The conference program is now available for review online. Satellite navigation and positioning, using current operational systems like GPS and GLONASS, will be major... read more

This article is tagged with and posted in BeiDou/Compass, Galileo, GNSS News, GPS Modernization, Latest News

PNT Advisory Board Hears Air Force CNAV Plan

March 12, 2014By
PNTAdvBd-O

The U.S. National Space-Based Positioning, Navigation, and Timing (PNT) Advisory Board has published the minutes of its December 4–5, 2013, meeting, opening with a quote from Albert Einstein, “We cannot solve our problems with the same thinking we used when we created them,” courtesy of Board Chair Dr. James Schlesinger. Among many other topics addressed, the Board heard a report... read more

Comment Period on Pre-Operational CNAV Message Opens

March 5, 2014By
Carrier-to-noise ratio of L5 signals, measured on June 19, 2013, by  Zheng Yao and colleagues at Tsinghua University, China. Signals were analyzed from three GPS satellites whose PRN numbers are 1, 24, 25, and one QZSS satellites with the PRN of 193 at time of acquisition.

A Federal Register Notice has been published allowing for a 30-day comment period on the proposed CNAV message on L2C and L5. The notice seeks comment from the public and industry regarding plans by the U.S. Air Force to broadcast pre-operational L2C and L5 civil  navigation (CNAV) messages from certain GPS satellites beginning in April. The Department of Transportation is... read more

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