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Navigating in Space
Combine signals from GPS and other constellations and you can position and navigate way, way above the orbits of GNSS satellites

Satellite Selection
Multi-Constellation SBAS: What to do when more satellites are in view than an aviation receiver has tracking channels?

GNSS & the Law in India
IRNSS is strategically important to India, but no dedicated legal framework exists governing its use

» Online Features Table of Contents
GNSS News
December 8, 2016
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Two Galileo Satellites Transmitting Navigation Signals

After months of testing, the European Space Agency (ESA) has announced that Galileo satellites 13 and 14 are transmitting healthy navigation signals and ready to relay distress calls to emergency services.

The satellites, launched from Europe's Spaceport in French Guiana on May 24, went through lengthy testing that included receiving and uplinking signals through specialized antennas, ESA said. Some of the tests included navigation and search and rescue payloads methodically switched on, the agency said.


Industry View
GNSS Timeline
December 12, 2016 - December 16, 2016

AGU 2016: American Geophysical Union Fall Meeting

San Francisco, California, U.S.A.
December 14, 2016 - December 16, 2016

Navitec 2016

Noordwijk, Netherlands
January 22, 2017 - January 26, 2017

American Meteorological Society: 14th Conference on Space Weather

Seattle, Washington, U.S.A.
January 23, 2017 - January 25, 2017

2017 Geospatial World Forum

Hyderabad, India
Columns & Editorials
Thinking Aloud
Thinking Aloud

Exit, Pursued by a Bear

Glen Gibbons
GNSS Solutions
GNSS Solutions

Challenges of Ray-Tracing for GNSS Applications

Mark Petovello with Grégory Moura
Working Papers
Working Papers

Interference Localization from Space

Luca Canzian, Stefano Ciccotosto, Samuele Fantinato, Andrea Dalla Chiara, Giovanni Gamba, Oscar Pozzobon, Rigas Ioannides, and Massimo Crisci with Günter Hein
Washington View
Washington View

How Will GNSS Fare Under a Trump Administration?

Dee Ann Divis
Book Reviews
Book Reviews

GPS for Everyone

Review by Gaylord Green of the book by Pratap Misra
Book Reviews
Book Reviews

GPS, GLONASS, Galileo, and BeiDou for Mobile Devices

Review by Pavel Kovar of the book by Ivan G. Petrovski
Hotspots
Data points and factoids to amuse and inform

GNSS Hotspots

Eliza Schmidkunz
Signals
Trimble
Trimble
Hemisphere 11/2016
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