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December 31, 2011

Putin Gives Political Oversight of GLONASS to New Deputy Prime Minister

In a meeting Friday (December 30, 2011), Russian Prime Minister Vladimir Putin told the newly appointed deputy prime minister, Vladislav Surkov, that he wants his long-time political ally to provide political oversight for GLONASS.

December 29, 2011

Newly Signed Appropriations Measure Adds Layer of Political Protection for GPS

When President Obama signed the $1 trillion dollar federal appropriations bill just before Christmas, he also inked into law a provision further protecting GPS receivers from interference from the wireless network proposed by LightSquared.

December 27, 2011

China Publishes Compass /BeiDou "Test Version" of ICD; Key Data Missing

[Updated January 3, 2012] China released a long-awaited “test version” interface control document (ICD) for its Compass (BeiDou-2) GNSS system today (December 27, 2011). The 11-page publication covers its open B1 civil signal centered at 1561.098 MHz.

December 26, 2011

ESA Report: Galileo IOV Transmitting on all 3 Frequencies

The European Space Agency (ESA) has reported its first successful reception of triple-frequency signals from a Galileo in-orbit validation (IOV) spacecraft.

The weekend of December 17 all Galileo signals were activated simultaneously for the first time across the European GNSS system’s three spectral bands, known as E1 (1559–1592 MHz), E5 (1164–1215 MHz), and E6 (1.215–1.300 MHz). The accompanying graphic displays the signals spectral profile.

December 20, 2011

LightSquared Petitions FCC to Confirm Company's Rights to GPS Spectrum

LightSquared today (December 21, 2011) asked the Federal Communications Commission (FCC) to confirm the company’s right to use spectrum licensed to it and that commercial GPS manufacturers have no right to interference protection from LightSquared’s proposed wireless broadband network.

December 14, 2011

Latest Tests Confirm LightSquared Interference to GPS Navigation Equipment

Tests of LightSquared’s proposed wireless broadband transmissions in the lower LightSquared band (1526–1536 MHz) caused harmful interference to a majority of personal/general navigation GPS receivers.

December 13, 2011

Lockheed Delivers GPS III Pathfinder Spacecraft

The Lockheed Martin team developing the U.S. Air Force’s next-generation GPS satellites (GPS Block III) has delivered the program’s pathfinder spacecraft to the company’s Denver, Colorado–area facility.

The program remains on schedule for a 2014 launch of the first Block III space vehicle (SV).

December 12, 2011

Galileo IOV Satellites Begin Transmitting E1 Signal

[Updated December 14, 2011] Today (December 12, 2011), the first of two Galileo IOV satellites launched October 21 began transmitting its payload signals.

Researchers at several European organizations have reported initial acquisition and tracking results of the E1 signals from the Galileo-ProtoFlight Model (PFM) satellite (previously incorrectly identified as Flight Model-2), also identified by its pseudorandom noise code (PRN 11).

December 5, 2011

Conference Survey Reflects North American Leadership in GNSS Innovation, Delays in Galileo Program

A survey of 140 attendees at last week’s European Navigation Conference (ENC 2011) in London, England, produced a fascinating assessment of GNSS expectations in the coming years — and how that assessment has changed since 2007.

Sponsored by Helios, a UK business and technology consultancy working in the transportation and technology domains, the survey asked delegates eight questions with multiple choice answers, and recorded their responses using handheld keypads and live electronic voting.

December 2, 2011

China launches 10th Compass Beidou-2 Navigation Satellite into Geosynchronous Orbit

China launched its 10th Compass/ BeiDou-2 GNSS satellite this morning (December 2, 2011). This is the third Compass satellite launched this year and the fifth placed into an inclined geosynchronous orbit.

According to Xinhua, China's official news source, the spacecraft went up on a Long March 3A launcher at 5:07 A.M. local time from Xichang launch center in Sichuan province.

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