GNSS

South Korea issues warning over suspected North Korean GPS disruption

March 31, 2016By
SouthKorea-Seoul

South Korea issued a warning Thursday after detecting satellite signal disruptions that appeared to be coming from North Korea, according to the Korea Herald. The capital city of Seoul appeared to be the target. Officials said North Korea discharged a large amount of radio waves to jam GPS signals in the region. “We’ve detected signs that North Korea has been... read more

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SatNav engineering by the book

March 30, 2016By
Betz-book-cover

Engineering Satellite-Based Navigation and Timing: Global Navigation Satellite Systems, Signals, and Receivers John W. Betz ISBN: 978-1-118-61597-3; 672 pages December 2015, Wiley-IEEE Press Hardcover print or ebook available A new book by a recognized authority in signal design and processing, structured as a textbook for an upper-level undergraduate course or a graduate course in satnav engineering, will also admirably serve... read more

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China launches 22nd BeiDou satellite

March 30, 2016By
BeiDou-22-O

China launched the 22nd BeiDou satellite into orbit on Tuesday. BeiDou-22 (or BeiDou-2 I6) was launched at 20:11 UTC (4:11 local time) by a Long March-3A rocket from the Xichang Satellite Launch Center. China launched the 21st BeiDou satellite on Feb. 1, the second in a series of BeiDou launches schedule for 2016. The BeiDou constellation is planned to be completed in... read more

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Ground-based Galileo satellite joins post-launch dress rehearsal

March 29, 2016By
Members of the joint Galileo Launch and Early Operations Phase (LEOP) team at work in CNES Toulouse. A joint team from ESA and France’s CNES space agency oversee Galileo LEOPs – the initial switching on and checking and configuration of satellite systems. LEOP is run from either ESOC or CNES Toulouse, on an alternating basis. (Photo: ESA)

News from the European Space Agency The navigation satellite set to become the 16th in the Galileo constellation has been taken through a Europe-wide rehearsal for its launch and early operations in space. Sitting in the cleanroom environment of ESA’s ESTEC technology centre in Noordwijk, the Netherlands, the satellite was last week linked to a trio of sites across the... read more

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Europe enters ‘The Year of Galileo’

March 28, 2016By

2016 has already been dubbed as “The Year of Galileo.” That was the clear message from the Munich Satellite Navigation Summit in early March. The Munich summit covers all GNSS systems, but the focus this year was squarely on Galileo. I think it is fair to say that come hell or high water we will see Galileo Initial Services debuting... read more

The need to clarify Galileo’s legal basis of time

March 28, 2016By
Prague_Astronomical_Clock_O

One new potential wrinkle for Galileo was hinted at during the Munich Satellive Navigation Summit session in March on legal issues around GNSS timing. A recent GPS timing issue caused numerous problems for digital broadcasters and financial networks around the world on Jan. 26, when a data upload went slightly awry. This introduced a 13.7 millisecond error in one of... read more

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US congressmen seek delay to NDGPS closings

March 25, 2016By
NDGPS_Site-O

Four U.S. congressman sent a letter to the Department of Transportation asking the DoT to delay shutting down Nationwide Differential GPS (NDGPS) sites, a proposal that was posted in the Federal Register. The congressmen are asking for a delay until the “administration has decided upon and implemented a resilient national positioning, navigation and timing (PNT) architecture.” Read the full text of... read more

Veripos extends Apex service, offers Quantum software

March 24, 2016By

Veripos, a global supplier of high-precision GNSS positioning services to the offshore oil and gas industries, has extended its ranges of proprietary software with the introduction of Quantum, a new, all-purpose suite of visualization modules providing a state-of-the-art user interface to support next-generation services and features. Designed to operate with all current Veripos positioning options including its latest Apex5 multi-constellation... read more

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