Featured Stories

Harxon releases mini choke ring antenna

March 28, 2017By
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Harxon, manufacturer of high-precision antennas in China, has released a new patented mini choke ring antenna, the HX-CSX610A. Weighing less than 2 kg, the tiny antenna could be considered the next generation of reference antenna trends, Harxon said. Harxon’s patent for the HX-CSX610A design includes its compact body, which offers flexible transportation and installation. Applications for the antenna include CORS stations, geodetic surveying... read more

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Spectracom, Satelles sync in multiple indoor locations

March 22, 2017By
New York Stock Exchange area: signal reception accomplished not only indoors, but in a canyon of buildings with no external antenna.

Orolia has synchronized a Spectracom SecureSync high-precision time server with the new Iridium Satelles Satellite Time & Location (STL) time synchronization signal powered by Iridium satellites in several indoor environments in the field. Configured with an embedded STL receiver and a small patch antenna, the SecureSync synchronized with the STL signal in several challenging indoor locations. Indoor success can be... read more

SpaceX wins second US Air Force contract to launch GPS III

March 15, 2017By
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SpaceX has won a second contract from the U.S. Air Force for launch services to deliver a GPS III satellite to its intended orbit. SpaceX was awarded the $96,500,490 firm-fixed-price contract over the United Launch Alliance. ULA — a joint venture of Lockheed Martin Space Systems and Boeing Defense, Space & Security — did not compete for the first GPS III launch contract.... read more

Innovation: Position estimation using non-line-of-sight GPS signals

March 15, 2017By and
FIGURE 9.  Normalized overall correlation with contributions from all satellites, including the satellite mirror-image of PRN 5.

Reflected Blessings.
A technique developed by researchers at the University of Illinois at Urbana-Champaign distinguishes a reflected non-line-of-sight (NLOS) signal of a particular satellite from the LOS signal and characterizes the NLOS signal as coming from a virtual mirror-image satellite in the direction of the signal reflection point. By using information on the position and orientation of the reflector, the NLOS signal can be treated as an additional LOS signal. read more

Canadian UAVs inspecting beyond line of sight

March 14, 2017By
Wellhead inspected Beyond Visual Line of Sight. (Photo: CNW Group/Canadian UAVs)

Canadian UAVs and Lockheed Martin CDL Systems have completed their first Beyond Visual Line Of Sight (BVLOS) inspections for pipelines, well sites and power lines using unmanned aerial vehicles (UAVs). The inspections were completed using the Transport Canada Compliant Lockheed Martin Indago 2 at the Foremost Testing Range. Canadian UAVs seeks to provide its customers with innovative technology to ensure safe... read more

Turbulence not the culprit for Northern Lights’ effect on GNSS

March 14, 2017By
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Researchers at the University of Bath, U.K., have gained new insights into the mechanisms of the Northern Lights, providing an opportunity to develop better satellite technology that can negate outages caused by the natural phenomenon. Previous research has shown that the natural lights of the Northern Lights — also known as Aurora Borealis — interfere with GNSS signals. Plasma turbulence within the Northern... read more

OriginGPS launches ultra-compact GNSS module

March 14, 2017By
CAPTION: OriginGPS ORG 4500 is designed for ultra-compact IoT applications such as wearables, smartwatches, clothes and pet trackers, drones, connected cars, and health testing and tracking devices.

OriginGPS has released its new ORG 4500 series, which is a fully-integrated product that supports ultra-compact applications for both GPS and GLONASS. The ORG 4500, kin to the ORG 4400 series introduced in 2016, addresses the increasing demand for high precision with the smallest possible footprint, and takes the company’s ultra-small form factor to a new level. “The newest GNSS product... read more

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Bluesky granted funding for mobile phone mapping project

March 9, 2017By
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Geographic data specialist Bluesky has secured funding from the United Kingdom’s innovation agency, Innovate UK, to investigate the potential of mobile phones for capturing accurate 3D spatial information. Designed to reduce the costs of monitoring and managing essential infrastructure, such as overhead electricity cables, and mitigate the effects of potentially damaging vegetation, the Bluesky-led study will assess the feasibility of... read more