Archives

The Hits and the Misses

November 29, 2011 - By

LONDON — Technical conferences usually feature hits: advances in technology, new form factors, improved signal processing. But the opening day of the European Navigation Conference in London has dwelt instead on misses: vulnerabilities, threats, weaknesses that leave GNSS increasingly open to attack and disruption. Gaps in our armor, with scant help in sight. read more

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Galileo IOV Satellites Reach Operating Orbits

November 28, 2011 - By

An announcement from ESA on November 4 stated "Europe’s first two Galileo IOV satellites have reached their final operating orbits, opening the way for activating and testing their navigation payloads." But, based on NORAD/JSpOC tracking of the satellites, it seems that the final orbits were achieved only a day or so ago. read more

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LightSquared: Five Questions of My Own

November 10, 2011 - By

In true Wall Street lawyer fashion, LightSquared Executive VP Jeff Carlisle thinks he’s entitled to receive answers with regards to LightSquared’s GPS-jamming problem instead of providing answers. He seems to forget that LightSquared is the one applying for approval to proceed, and needs to provide the answers and solutions. I have five questions of my own. read more

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The Good, the Bad, and the Really Ugly

November 9, 2011 - By

This month there is good news — great news, actually — where GPS and PNT (Position, Navigation and Timing) systems are concerned. On October 22, a Russian Soyuz rocket placed in orbit the first two validation satellites, built by EADS Astrium Germany, in the Galileo PNT constellation after making its maiden launch from Kourou. Don’t confuse these recent satellites with the earlier experimental satellites, GIOVE-A launched in 2005 followed by GIOVE-B launched in 2008. These initial satellites served to preserve the Galileo ITU frequency filings and test the first-ever space borne Hydrogen Maser atomic clock, which by all accounts is proving to be extremely accurate. read more

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Google to Charge High-Volume Users for Map Use

November 9, 2011 - By

It couldn’t stay free forever. Google’s recent decision to charge high-volume users may force some of the larger companies to look elsewhere for alternatives. In the meantime, attendees at two San Francisco Bay Area conferences learned that push location marketing is not the cool thing to be into, privacy still is a big deal that thwarts consumer acceptance…and that the word “experience” is being used too much. read more

This article is tagged with , , , and posted in Mobile, Opinions

Indoor Location Apps Lead to Compelling User Experience

November 9, 2011 - By

Indoor location technology is evolving; indoor mapping is coming along and apps that seamlessly work in and out of doors will make a compelling experience more compelling. Bringing mobile location to indoors will stimulate our industry. The killer app? Apps that can self learn to be personalized to a user’s life, lived in and out of doors (check traffic before... read more

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Galileo Satellites Handed over to Control Center in Germany

November 4, 2011 - By

Europe’s first two Galileo satellites have reached their final operating orbits, opening the way for activating and testing their navigation payloads, reports the European Space Agency (ESA). Marking the formal end of their LEOP Launch and Early Operations Phase, control of the satellites was passed on November 3 from the CNES French space agency center in Toulouse to the Galileo Control Centre in Oberpfaffenhofen in Germany. read more

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GLONASS Modernization

November 1, 2011 - By

The GLONASS-K satellite, transmitting a CDMA signal in the L3 band, inaugurates a new era of radionavigation signals for both the Russian system and for international GNSS interoperability. As demand for high-precision services through dual- or triple-frequency user equipment increases, GLONASS will come to the forefront. The 2014 GLONASS-K2 satellite will have an FDMA signal in the L1 and L2 bands and CDMA signals in L1, L2, and L3. The overall constellation update will be completed in 2021. Another 2014 launch will fill the Russian SBAS orbit constellation with three geostationary space vehicles. read more

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