GNSS News

Lockheed Martin GPS III Prototype Validates Test Facilities

July 10, 2013By
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Lockheed Martin’s GPS III Non-Flight Satellite Testbed (GNST) has successfully completed a series of high-fidelity pathfinding events which validate the process and facility for vehicle integration checkout, as well as signals interference testing, that the next-generation satellites of GPS III will go through before delivery for launch. An innovative investment by U.S. Air Force under the original GPS III development... read more

2C or Not 2C: The First Live Broadcast of GPS CNAV Messages

July 8, 2013By

By Oliver Montenbruck, Richard B. Langley, and Peter Steigenberger Over the past several years, some users of the GPS navigation system have already benefitted from the addition of various new signals in addition to the legacy C/A- and P(Y)-code. With the introduction of the Block IIR-M satellites in 2005, a new civil signal (L2C) was transmitted on the L2 frequency,... read more

Experts Meet to Standardize Satellite Augmentation Systems

July 3, 2013By
The GPS global satellite navigation system has an accuracy of 5–10 m. Across our continent that accuracy is greatly sharpened to 1-2 m through the European Geostationary Navigation Overlay Service (EGNOS), an operational precursor to Europe’s coming Galileo global satnav system. EGNOS broadcasts augmented information through a trio of geostationary satellites linked to a network of monitoring ground stations.

More than 30 specialists overseeing the world’s five satellite navigation augmentation systems gathered in Russia last week, planning for a high-performance future with many more navigation satellites in orbit, reports the European Space Agency. The Satellite-Based Augmentation Systems (SBAS) Interoperability Working Group was hosted June 25–27 in St. Petersburg by Russia’s Roscosmos space agency and the Russian Academy of Sciences.... read more

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Russian Rocket Crashes, Three GLONASS Satellites Lost

July 2, 2013By
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A Russian Proton-M rocket carrying three GLONASS navigation satellites crashed soon after liftoff today from Kazakhstan’s Baikonur cosmodrome, reports rt.com (Russia Today). About 10 seconds after takeoff at 02:38 UTC, the rocket swerved, began to correct, but then veered in the opposite direction. It then flew horizontally and started to come apart with its engines in full thrust. Making an... read more

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Three GLONASS Satellites to Be Launched July 2

July 1, 2013By
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News courtesy of CANSPACE Listserv GLONASS  satellites 48, 49, and 50 are expected to launch at 02:38 UTC on July 2. Live launch coverage will be provided by TsENKI, the Center (for Operation) of Ground-based Space Infrastructure, starting at 01:00 UTC. Also, launch updates are available here. Read more about the launch here. Here is a video of launch vehicle... read more

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India’s First Navigation Satellite to Lift Off Today

June 28, 2013By
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News courtesy of CANSPACE Listserv. Launch of the first satellite for the Indian Regional Navigation Satellite System (IRNSS) is scheduled for 18:13 UTC on July 1. Launch rehearsal has been completed successfully. The 64-hour countdown is expected to start at 7:11 (IST) tomorrow, June 29, and the launch will take place from the spaceport of Sriharikota. The 1,425 kg satellite... read more

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European Secured Navigation Arrives with Galileo PRS-only Positioning

June 28, 2013By

QinetiQ and Septentrio jointly announced today that a milestone in the Galileo European Navigation Satellite System’s development and deployment program has been achieved. On March 12, staff at the European Space Agency at ESTEC, Noordwijk, The Netherlands, achieved the first navigation solution using only the encrypted Galileo Public Regulated Service (PRS) signals broadcast by the four Galileo In-Orbit Validation (IOV)... read more

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Launch of Three GLONASS-M Satellites Set for July 2

June 28, 2013By
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News courtesy of CANSPACE Listserv. The launch of the next three GLONASS-M satellites is scheduled for July 2, according to an announcement by Roscosmos, the Russian Federal Space Agency. A Proton-M launch vehicle with the upper stage DM-03 and three satellites was rolled out from Baikonur Cosmodrome’s assembly and test facility site 92A-50 on June 28  to launch pad 81. The... read more

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