Inside GNSS: Engineering Solutions from the Global Navigation Satellite System Community
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June 30, 2015

LightSquared Launches GPS Receiver Tests while Adjacent Band Interference Study Stalls

[Updated July 1, 2015] Even as government researchers weather another delay in a study aimed at preventing GPS disruptions, the company at the heart of the issue has launched its own test of what it deems to be economically significant GPS receivers.

LightSquared, the Virginia firm seeking to rezone satellite frequencies to support a nationwide, ground-based, wireless broadband network, expects results this fall.

June 30, 2015

GPS Will Ignore Today’s Leap Second, But Some User Equipment Might Not

As usual, a leap second that will be introduced into the coordinated universal time (UTC) system at 11:59 p.m. tonight (June 30, 2015) may cause some difficulties with devices and services that derive UTC via the Global Positioning System.

November 16, 2015 - November 19, 2015
Miyakomesse, Kyoto, Japan
New Builds • June 22, 2015

LabSat SatGen GNSS Product Upgraded to Include BeiDou Signals

LabSat has launched a new version of its SatGen V3 software package that enables users to create scenarios for replay through any LabSat simulator and now includes BeiDou.

The software creates either user-generated or imported trajectory files for use with a LabSat GNSS simulator. The addition of the BeiDou B1 signals means that users can now test a device’s design and performance as if it were being used within the operating area of the Chinese GNSS constellation – which at present only provides full coverage in Asia.

June 16, 2015

Inside GNSS Columnist Gathers Another D.C. Correspondent Award

Dee Ann Divis, an Inside GNSS contributing editor who writes the magazine’s Washington View column, continues to garner journalistic awards.

On June 9 she received the Society of Professional Journalists D.C. Chapter’s award for 2015 “Washington Correspondent” for a series of articles on unmanned aerial systems (UAS) published in Inside GNSS last year.

Her 2015 award citation for the series entitled  “Empty Skies” emphasized the “well-detailed and comprehensive handling of a complex subject. . . .”

Ventures • June 15, 2015

Septentrio Absorbs Altus Positioning

Belgian GNSS manufacturer Septentrio Satellite Navigation, of Leuven, Belgium, has announced the completion of the acquisition and integration of Altus Positioning Systems, based in Torrance, California.
Septentrio Satellite Navigation and Altus-PS started working together in 2007. The collaboration between the two companies has already resulted in a series of such surveying and GIS-focused products as the APS-NR2, APS-3, APS-U, and APS-GeoPod. The smart antenna form factors will form a separate product line in the Septentrio product portfolio.

New Builds • June 13, 2015

OriginGPS Launches Miniature GPS/GLONASS Module

OriginGPS has announced the launch of the Multi Micro Hornet, a patented, GPS/GLONASS antenna module targeting developers of “wearables” and other devices that require a small form factor, low power consumption, and high sensitivity.

The module measures 20x10x5.9 millimeters, has a signal tracking sensitivity of –165dBm, according to the company. It incorporates OriginGPS’s patented and proprietary Noise Free Zone (NFZ) technology designed to provide high sensitivity and noise immunity under marginal signal conditions.

New Builds • June 13, 2015

Septentrio Launches OEM Receiver Targeting UAS

Septentrio has launched its AsteRx-m UAS, an OEM GNSS receiver specially designed for the unmanned aerial systems market.
According to the Leuven, Belgium–based company, the AsteRx-m UAS — Septentrio’s smallest receiver — provides real-time kinematic–level positioning accuracy with low power consumption, less than 600 milliwatts with GPS alone and less than 700 milliwatts with GLONASS.

May 29, 2015

Hundreds of Drones Approved as FAA Eases Limits

Work to integrate drones into the nation’s regular air traffic picked up speed over the last eight months as aviation regulators found new ways to permit unmanned flights while still keeping the skies safe for other aircraft.

In September 2014 the agency announced the first of what is now more than 450 waivers enabling commercial companies to begin for-profit operations in the United States.

Inside GNSS • May/June 2015

Estimating the Short-Term Stability of In-Orbit GNSS Clocks

Global navigation satellite systems provide position, velocity, and time (PVT) solutions to users whose receivers calculate position based on one-way ranging from satellites. As is well-understood, a key step in the positioning process involves a determination of the difference between the time of signal transmission identified in the satellite’s broadcast navigation message and the time of its reception by user equipment.

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