TAG: spoofing

Danger, Will Robinson! Beware the IMES of Japan

October 8, 2014By
IMES-1-B

In May 2011, Dinesh Manandhar and Hideyuki Torimoto of GNSS Technologies, Inc., Japan, penned a very interesting article in GPS World titled – Opening Up Indoors: Japan’s Indoor Messaging System, IMES. The opening paragraph of their lengthy article seemingly describes the Holy Grail for the indoor positioning lobby: “An indoor messaging system (IMES) has been developed to meet the challenges of indoor... read more

Assured PNT for Our Future: PTA

September 1, 2014By
GDGPS-Parkinson-O

Actions Necessary to Reduce Vulnerability and Ensure Availability By Brad Parkinson (From the 25th Anniversary GNSS History Special Supplement) Introduction About 40 years ago, we had a vision for positioning, navigation, and timing (PNT). That vision was more than successful, and became known as GPS. In some respects we have been almost too successful: PNT is frequently taken for granted.... read more

Year of the Generals

July 9, 2014By

Several pleasant surprises popped up at this year’s Institute of Navigation’s Joint Navigation Conference (ION JNC) in Orlando, Florida, and the best by far centered on the presenters and the attendees. In a change from recent years due to budget restrictions, better known as sequescastration, this year two senior Air Force generals attended and actively participated in several events. General... read more

GNSS Vulnerable: What to Do?

February 18, 2014By

Too Much Sensitivity, Not Enough Robustness, Says Parkinson Brad Parkinson, the founding architect of GPS, told a UK conference that the system needs to be made more robust to ensure worldwide availability of services to users. His concerns over GPS availability relate to threats such as the loss of authorized frequency spectrum (implicitly creating licensed jammers), space weather due to... read more

Spirent Launches SimSAFE to Address GNSS Signal Vulnerability

February 11, 2014By
simSafe_Spirent

Spirent Communications, a testing navigation and positioning systems company, today announced the introduction of Spirent SimSAFE, a software solution that concurrently simulates legitimate Global Navigation Satellite System (GNSS) constellations and spoofed or hoax signals to evaluate receiver resilience and help develop counter measures. SimSAFE was developed in conjunction with Qascom, GNSS signal security and authentication experts. As GNSS become increasingly... read more

This article is tagged with , , and posted in GNSS News, Latest News, Signal Processing

Out in Front: Complements of the Season

February 1, 2014By
Alan Cameron

In the wake of last month’s Expert Advice column on eLoran — “The Low Cost of Protecting America” by Dana Goward of the Resilient Navigation and Timing Foundation —  come several positive comments and encouraging developments. Rather than rehearse all the arguments why we should care about this, I’ll repeat the one word that I heard most often in GNSS... read more

Expert Advice: The Low Cost of Protecting America

January 1, 2014By

By Dana A. Goward Highly precise and free for use by anyone with an inexpensive receiver, GPS and other GNSS are great. Their navigation and timing signals have been incorporated into nearly every aspect of modern life, from synchronizing power grids to financial systems, the Internet, telecommunications, and transportation. The U.S. Department of Homeland Security estimates that these signals are... read more