GNSS (all systems)

IEEE/ION PLANS 2016: Position Location And Navigation Symposium
September 20, 2015

IEEE/ION PLANS 2016: Position Location And Navigation Symposium

Forsyth Park, Savannah, Georgia

The IEEE/ION PLANS 2016: Position Location And Navigation Symposium will take place April 11-14 2016 at the Hyatt Regency Savannah in Savannah, Georgia.

Early bird registration ends March 10, 2016.

This biennial technical conference and industry exhibition explores the field of navigation — from fundamental research, to applications, to field test results.

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By Inside GNSS
ITM 2016: ION International Technical Meeting 2016

ITM 2016: ION International Technical Meeting 2016

Monterey Bay, California.

The Institute of Navigation’s 2016 International Technical Meeting (ITM) will take place January 25-28 at the Hyatt Regency Monterey in Monterey, California.

The abstract submission deadline has passed.

Discounted Registration and hotel reservations end January 3, 2016. PTTI registration includes access to the International Technical Meeting (ITM).

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By Inside GNSS
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GNSS Hotspots | September 2015
September 15, 2015

GNSS Hotspots | September 2015

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. I LOVE MY JOB BUT…
Bakersfield, California USA

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By Inside GNSS
Webinar: Cutting-Edge Applications of Unmanned Systems
September 9, 2015

Webinar: Cutting-Edge Applications of Unmanned Systems

The incorporation of GNSS and inertial technologies is helping drive an explosion of systems development and applications of unmanned systems. On Tuesday, September 29, Inside GNSS and NovAtel will present a FREE 90-minute web seminar showcasing some of these applications, including the use of remote sensing technologies to assess pest populations in commercial crops and to conduct infrastructure inspections, with the aid of air and ground vehicles.

Register now for Tuesday, September 29, 2015: 9 am PDT

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By Inside GNSS
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Let Us Now Praise
September 7, 2015

Let Us Now Praise

When China joined the GNSS club in 2007, it turned a satnav triumvirate into a quartet.

But some of the limelight needs to fall a little further from center stage — out there where the Indian Regional Navigation Satellite System (IRNSS) and Japan’s Quasi-Zenith Satellite System (QZSS) are not waiting idly in the wings.

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By Inside GNSS
Alternative PNT

Alternative PNT

At one time, GPS was expected to supplant a wide range of navigation technologies in the world’s positioning, navigation, and timing (PNT) portfolio. But an unexpected thing happened along the way.

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By Inside GNSS
GPS Confidential

GPS Confidential

Ubiquitous location-aware mobile devices, mainly GPS-enabled smartphones, have led to a boom in location-based services (LBS), which have been revolutionizing businesses and lifestyles. Common uses of LBSs include asset tracking, location-based advertising, emergency roadside service, turn-by-turn navigation, and real-time traffic & road information sharing.

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By Inside GNSS
MADHOW-500px.jpg

Urban Localization and 3D Mapping Using GNSS Shadows

It is by now well known that GNSS-based localization in built-up urban environments can be extremely inaccurate. This is a fundamental problem that hardware enhancements cannot solve.

A GNSS receiver estimates 3D location and timing from pseudoranges from four or more satellites, assuming that these pseudoranges correspond to direct line-of-sight (LOS) paths from each satellite. In urban canyons, however, the signal from a satellite to the receiver suffers from multipath propagation and shadowing.

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By Inside GNSS
Single Antenna, Dual Use

Single Antenna, Dual Use

A GNSS single-antenna system can be compared to a single-pixel camera. Electromagnetic waves traveling 20,000 kilometers from every overhead direction can reach us. Yet once at the antenna, this diverse set of information is collapsed into a single magnitude and phase value, then sent off to the receiver so that value can be extracted.

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By Inside GNSS
New Fiscal Year Begins with Unfinished GPS Business

New Fiscal Year Begins with Unfinished GPS Business

Most folks look to a new year as an opportunity for fresh starts and new projects. For the GPS community, however, the October 1 start of the 2016 federal fiscal year (FY16) will likely be more about the hangover — that is, the issues that are hanging over into the next 12 months, unresolved.

At the top of that list of unfinished business are two system decisions: a go/no-go determination on whether the United States will build eLoran as the U.S. backup to GPS and deciding whether or not to choose a new contractor for the GPS III program.

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By Dee Ann Divis
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