Featured Stories

Galileo Maritime Tests Followed Route of Viking Ships

April 24, 2014By
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Results are being processed from the first Galileo maritime trials outside of mainland Europe. The long-range, high-latitude testing spanned the North Sea, following the same historical sailing route that Viking dragon-ships used 1200 years ago. Ancient manuscripts record Viking navigators relied on “sunstones” to find their way — archaeologists believe these may have been polarizing crystals to pinpoint the Sun... read more

Facebook Offers Nearby Friends Feature

April 17, 2014By
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Facebook has started rolling out a feature called Nearby Friends. Users can turn on the feature to help them discover which friends are nearby or on the go. When notified that a friend is nearby, the user can then get in touch or meet up. “For example, when you’re headed to the movies, Nearby Friends will let you know if... read more

Delay in Setting Recently Launched Block IIF Satellite Healthy

April 17, 2014By
A United Launch Alliance Delta IV lifts off from Space Launch Complex-37 with the Air Force's Global Positioning System (GPS) IIF-5 satellite. This launch marked the 25th Delta IV flight since the first flight in 2002.

The latest GPS Block IIF satellite, IIF-5 or SVN64 (operating as PRN30), was launched on February 21, 2014. Typically, GPS satellites are checked out and made operational within about a month following launch. SVN64 has yet to be set healthy. The delay is due to an extended navigation test being performed by the GPS master control station. A navigation upload... read more

This article is tagged with and posted in Featured Stories, GNSS News, GPS Modernization, Latest News

GLONASS Loses Control Again

April 16, 2014By
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The GLONASS constellation has suffered a major problem for the second time this month. On Monday, April 14, eight GLONASS satellites were simultaneously set unhealthy for about half an hour, meaning that most GLONASS or multi-constellation receivers would have ignored those satellites in positioning computations. In addition, one other satellite in the fleet was out of commission undergoing maintenance. This... read more

Protect, Toughen, Augment: Words to the Wise from GPS Founder

April 15, 2014By
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“What can we do to reduce the vulnerability [of GPS] and ensure that the expectations of the public are going to be met?” asked Dr. Bradford Parkinson as he opened his presentation this morning (Tuesday, April 15) at the European Navigation Conference, ENC-GNSS 2014 in Rotterdam, The Netherlands. Parkinson went through his 61-slide, 50-minute briefing on what he called “PTA”... read more

Locata Warns: Lessons to Be Learned from GLONASS Spasm

April 15, 2014By
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Calling it an “unprecedented and deeply worrying total disruption . . . [that] shook the industry,” Locata Corporation reiterated its call for redundant terrestrial systems to back up GNSS in the wake of the April 1 11-hour GLONASS system outage. Nunzio Gambale, Locata CEO, said “We have been telling the industry for years that you cannot have a critically important... read more

SkyTraq Launches Miniature Programmable GNSS Receiver Module

April 11, 2014By
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SkyTraq‘s new family of high-performance system-in-package (SiP) GNSS receiver modules supports GPS, GLONASS, Beidou, QZSS and SBAS.The modules integrate SkyTraq Venus8 positioning engine, 1MByte Flash memory, LNA, SAW filter, high precision 0.5ppm TCXO, RTC crystal, and other passive components within tiny 10mm x 10mm x 1.3mm package. The smallest configuration requires only antenna and power to have position fix and... read more

NovAtel Adds Commercially Exportable IMU-KVH1750 to SPAN GNSS Line

April 9, 2014By
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NovAtel, Inc., has added the IMU-KVH1750 as an inertial measurement unit (IMU) option in its SPAN GNSS/INS line of positioning products. The IMU-KVH1750 is a high-performance commercial off-the-shelf (COTS) sensor that offers excellent bias stability and repeatability, NovAtel said. It incorporates KVH’s DSP-1750 precision fibre-optic gyro with very low noise MEMS accelerometers. Commercially exportable, the IMU-KVH1750 integrates easily with NovAtel’s... read more