GNSS (all systems)

SWW 2016: Space Weather Workshop
February 11, 2016

SWW 2016: Space Weather Workshop

NASA image: effects of space weather on technology

NOAA’s Space Weather Prediction Center will hold it’s annual Space Weather Workshop at the Omni Interlocken Hotel in Broomfield, Colorado (10 minutes from Boulder) from April  26 to 29, 2016.

Billed as "The Meeting of Science, Research Applications, Operations and Users," what began as a small conference in 1996 is now a major event addressing the diverse impacts of space weather on critical technology, including communications, navigation, spacecraft operations, aviation and electric power.

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By Inside GNSS
AUVSI XPONENTIAL 2016
February 8, 2016

AUVSI XPONENTIAL 2016

The Saint Louis Cathedral, New Orleans, Louisiana

AUVSI’s Unmanned Systems conference and trade show is now XPONENTIAL.

XPONENTIAL 2016 will take place at the Ernest N. Morial Convention Center in New Orleans, Louisiana, U.S.A. from May 2 – 5, 2016.

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By Inside GNSS
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TSS 2016: Toulouse Space Show

TSS 2016: Toulouse Space Show

Baudis conference center, Toulouse

The 5th Toulouse Space Show will take place June 28 – 30, 2016 at the Pierre Baudis Congress Centre in Toulouse, France.

Online registration is available.

The trade show / B2B forum is entirely focused on the space supply chain, space applications and space infrastructures. The event program includes an international exhibition, conference and prearranged B2B meetings, with technical parallel sessions and networking events.

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By Inside GNSS
TUSExpo 2016: The Unmanned Systems Expo

TUSExpo 2016: The Unmanned Systems Expo

The Hague, The Netherlands

The second Unmanned Systems Expo (TUSExpo) will take place February 2 – 4, 2016 at the World Forum in The Hague, The Netherlands.

Online registration is available.

The TUSExpo will include a conference, trade exhibition, business platform and matchmaking program, with the aim of bringing together European and global companies from the entire Unmanned Systems supply chain with customers and end-users.

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By Inside GNSS
Glen Gibbons Jr.
January 27, 2016

Making Good Better

SBAS and RNSS: The Unsung Heroes of GNSS

Okay, if I had wanted to pander to GNSS fans, I might have called this, “Making Great Greater.”

But there are only so many superlatives that can be lathered on this remarkable technology before simple praise turns into hagiography.

So, it’s time once more to give a little love to those unsung heroes of GNSS: the augmentations and regional navigation satellite systems.

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By Inside GNSS
GNSS Hotspots | January 2016

GNSS Hotspots | January 2016

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

Catching thieves in California, Galileo satellites test Einstein, Russian space agency remodel, and 911 training for operators who can’t read maps.

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By Inside GNSS
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New Advanced GNSS and 3D Spatial Techniques

New Advanced GNSS and 3D Spatial Techniques

A new international conference on advanced GNSS and 3D spatial techniques will be held at the University of Trieste, Main Conference Room, H3 Building, on February 18, 19 and 20. It is free to participants.

The conference will focus on GNSS applications for civil and environmental engineering, geophysiques, architecture, archaeology and cultural heritage. It has been organized in memory of Giorgio Manzoni, professional of surveying and mapping at the university.

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By Inside GNSS
WP-500px.jpg
January 18, 2016

GNSS Satellite-Based Augmentation Systems

Working Papers explore the technical and scientific themes that underpin GNSS programs and applications. This regular column is coordinated by Prof. Dr.-Ing. Günter Hein, head of Europe’s Galileo Operations and Evolution.

With the support of the European Space Agency (ESA), a European team designed a frequency- and time-transfer process and validated its performance in a complex navigation test bed. This two-way time-transfer technology took advantage of the following:

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By Günter W. Hein
SOLFig2.jpg

What is Doppler collision and is it a problem in GNSS?

Figure 1, 3, 4 & 5

Q: What is Doppler collision and is it a problem in GNSS?

A: Doppler collision is a physical effect in code-division multiple access (CDMA) systems where code measurement errors are observed due to cross-correlation effects. Doppler collision may occur when the Doppler frequency between signals from two different transmitters is smaller than the code lock loop bandwidth.

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By Inside GNSS
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