GNSS (all systems)

January 25, 2014

UN Symposium: Commercial Applications of Global Navigation Satellite Systems

Vienna, Austria

The Symposium to Strengthen the Partnership with Industry will be held on Monday, February 17, during the second week of the fifty-first session of the Scientific and Technical Subcommittee of the United Nations Committee on the Peaceful Uses of Outer Space, and will happen in parallel to the planning meeting to the Ninth Meeting of ICG and its Providers’ Forum, at the Vienna International Centre in Vienna, Austria.

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By Inside GNSS
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2014 Space Weather Workshop

The annual Space Weather Workshop will take place on April 8-11 2014 at Millennium Hotel in Boulder, Colorado.

Registration is now open. Sunday, March 23 is the registration and abstract submission deadline.

This meeting will bring together customers, forecasters, vendors, government agencies and researchers of space weather information.

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By Inside GNSS

AUVSI Unmanned Systems 2014

The 2014 Unmanned Systems conference and trade show sponsored by AUVSI will be held from May 15 – 19 at the Orange County Convention Center in Orlando, Florida, USA.

The call for papers has closed. The early registration deadline is March 15, regular registration through May 10, with onsite registration starting May 11.

The conference features technical panels and presentations, workshops and poster sessions on the state of the unmanned systems market. It covers military, civil and commercial applications for air, ground and maritime vehicles.

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By Inside GNSS
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GNSS Hotspots | January 2014

One of 12 magnetograms recorded at Greenwich Observatory during the Great Geomagnetic Storm of 1859
1996 soccer game in the Midwest, (Rick Dikeman image)
Nouméa ground station after the flood
A pencil and a coffee cup show the size of NASA’s teeny tiny PhoneSat
Bonus Hotspot: Naro Tartaruga AUV
Pacific lamprey spawning (photo by Jeremy Monroe, Fresh Waters Illustrated)
“Return of the Bucentaurn to the Molo on Ascension Day”, by (Giovanni Antonio Canal) Canaletto
The U.S. Naval Observatory Alternate Master Clock at 2nd Space Operations Squadron, Schriever AFB in Colorado. This photo was taken in January, 2006 during the addition of a leap second. The USNO master clocks control GPS timing. They are accurate to within one second every 20 million years (Satellites are so picky! Humans, on the other hand, just want to know if we’re too late for lunch) USAF photo by A1C Jason Ridder.
Detail of Compass/ BeiDou2 system diagram
Hotspot 6: Beluga A300 600ST

1. E-CROWDSHIPPING
Palo Alto, California USA

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By Inside GNSS

Multi-GNSS Monitoring

Tim Springer, PosiTim UG

A common refrain in the world of GNSS is the desire for “interoperability,” the use of signals from multiple systems without a decline — and potentially even an improvement — in the quality of results.

Achieving this depends on large part in establishing comparable parameters — particularly the geodetic references and timing systems — among the GNSSs along with a dense network of ground reference stations that can provide continuous, precise monitoring of satellites’ orbital positions.

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By Inside GNSS
January 19, 2014

Ionospheric Scintillation

Ionospheric scintillations are rapid temporal fluctuations in both amplitude and phase of trans-ionospheric GNSS signals caused by the scattering of irregularities in the distribution of electrons encountered along the radio propagation path. The occurrence of scintillation has large day-to-day variability. The most severe scintillations are observed near the poles (at auroral latitudes) and near the equator (within ± 20 degrees of geomagnetic equator).

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By Inside GNSS

Proposal for U.S. eLoran Service Gains Ground

Trying to revive a years-dead federal program is usually the kind of hopeless task that even Sisyphus wouldn’t touch.

But determined supporters of eLoran are gaining ground in their effort to resurrect the cancelled radio-navigation network and, propelled by new worries over GPS jamming, they appear poised push the issue through.

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By Dee Ann Divis

Reaching for the STARx

Equation 1

GNSS modernization includes not only the global coverage capabilities of GPS, GLONASS, Galileo, and BeiDou, but also regional GNSS enhancement systems such as Japan’s Quasi-Zenith Satellite System (QZSS), the Indian Regional Navigation Satellite System (IRNSS), and the European Geostationary Navigation Overlay Service (EGNOS).

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By Inside GNSS
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