GNSS (all systems)

Natural Threats to GNSS Positioning

Bushy House

Britain’s Position, Navigation and Timing Network of the Digital Systems KTN (Knowledge Transfer Network) presents a one-day workshop on "Natural Threats to GNSS Positioning."

It will take place at Bushy House, National Physical Laboratory, Teddington, Middlesex on Wednesday, January 19 2011 from 10:00 a.m. to 3:30 p.m.

A number of natural phenomenon affect GNSS reliability and accuracy. These include:

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GNSS Vulnerability — Jamming, Interference, Spoofing

Aurora as seen from International Space Station

Return to "GNSS Year in Review"

This subject gave the GNSS world a wake-up call on January 20 when the top gun at the U.S. Air Force told a conference audience that GPS is vulnerable to threats such as jamming and anti-satellite weapons and that the United States should reduce its dependence on the system.

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GNSS Year in Review: Three Trends That Matter

Yes, it’s that time — when we try to anticipate what 2011 holds for GNSS by analyzing (or just trying to remember) the highlights of the past 12 months in our global navigation satellite system industry.

First, 2010 was a busy year. Successful launches of 13 new satellites brought the number of GNSS spacecraft in orbit to more than 60. The highest level yet for both numbers launched and in the collective GNSS constellation.

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