GNSS (all systems)

SIG 20200207 Location Privacy ART robin-worrall-unsplash

February 12, 2020

Private Location Data Bought and Sold; FCC Fines Possibly Pending

Americans by the millions are being tracked through their cell phones, using location data sold both legally and, apparently, illegally. The buyers-users range from marketers and bounty hunters to border enforcement groups within the Department of Homeland Security (DHS).

By Dee Ann Divis

February 10, 2020

Third GPS III Satellite Arrives at Cape Canaveral

The third next-generation GPS III satellite arrived in Florida on February 5, destined for an expected April launch.

By Inside GNSS

February 7, 2020

Navigate Any Environment, Road or Underground

Three different low-cost sensor integrations, covering vehicle navigation in a range of environments, will be covered in a February 12 webinar, “Automotive-Grade GNSS + Inertial for Robust Navigation.”

By Inside GNSS

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February 5, 2020

Details Emerge On Ligado Decision Delay

The chairman of the Federal Communications Commission (FCC) told two U.S. Senators in January that his agency could not complete a decision on Ligado Network’s license modification by the end of 2019 because of a late-in-the-year response from a key federal agency.

By Dee Ann Divis

February 3, 2020

Test Confirms Timing Resilience of LEO Time Service Underground, Indoors

A recent test demonstrated that the combination of the SecureSync time server manufactured by Orolia and the Satellite Time and Location (STL) service provided by Satelles can deliver extremely accurate timing as compared to Coordinated Universal Time (UTC).

By Inside GNSS

Characterizing GNSS Interference from Low-Earth Orbit

2017 and 2018 saw unprecedented GNSS interference activity, from the eastern Mediterranean to Norway and Finland. Syria emerged as a testbed for electronic warfare capabilities. In April 2018, General Raymond Thomas, commander, U.S. Special Operations Command, referred to the region as “the most aggressive electronic warfare environment on the planet.”

By Inside GNSS

GNSS Compare: Real-time Algorithms with Raw GNSS Measurement on Android Smartphones

An Android mobile application, GNSS Compare can provide a real-time position using Galileo and GPS dual frequencies. It directly logs data from the real-time algorithms, and the retrieved files are used for analysis.

By Ciuban & Krainski, et al.

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January 31, 2020

Galileo Issues Q3 2019 Performance Report Covering Outage Period

The European GNSS Agency (GSA) has published the Q3 2019 performance report. This report covers the period when a technical incident caused by an equipment malfunction in Galileo last July resulted in a six-day interruption in Galileo navigation and timing services.

By Inside GNSS

January 30, 2020

Telecomm Sat Signals in GPS Backup; DoT Demo Coming

Echo Ridge LLC of Sterling, Virginia has been working with the Air Force Research Laboratory Center for Rapid Innovation to develop a way to determine position from non-GPS satellite signals in different frequency bands.

By Inside GNSS

Mini Rubidium Atomic Clock Supports 5G, DoD, More

Microchip Technology Inc. has released a smaller-footprint, higher-performance atomic clock to meet core telecomm, military and critical infrastructure requirements for wider thermal range, quicker lock and higher stability.

By Inside GNSS

January 29, 2020

John Schleppe, GNSS Research Engineer, 1959–2020

John Brian Schleppe of Calgary, Alberta, Canada, passed away on January 7, 2020 after a short illness. From 2006 until his passing, he worked at NovAtel, Inc. of Calgary (now Hexagon|NovAtel) progressively as team leader software receiver development, engineering fellow, manager of research and NovAtel research fellow.

By Inside GNSS

January 28, 2020

Wheel-mounted MEMS IMU for Vehicular Navigation

A wheel-mounted inertial measurement unit provides high-rate (2 kHz) bias-free data for vehicle navigation, road-quality measurement systems and instantaneous wheel dynamics estimation for vehicle stability control.

By Oleg Mezentsev & Jussi Collin

January 27, 2020

Galileo Distress Acknowledgment Message Now Active

The Galileo Return Link Service, which sends an automatic acknowledgement message to people activating a distress signal, in distress to receive automatic acknowledgement that their signal has been received, was declared operational on January 21.

By Inside GNSS

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GNSS (all systems)

White House Order to Make GPS Resilience Part of Federal Contract...

GNSS Receivers Keep Mapping Drone at Optimal Distance from Rugged...

Private Location Data Bought and Sold; FCC Fines Possibly Pending

Third GPS III Satellite Arrives at Cape Canaveral

Navigate Any Environment, Road or Underground

Details Emerge On Ligado Decision Delay

Test Confirms Timing Resilience of LEO Time Service Underground, Indoors

Characterizing GNSS Interference from Low-Earth Orbit

GNSS Compare: Real-time Algorithms with Raw GNSS Measurement on Android Smartphones

Galileo Issues Q3 2019 Performance Report Covering Outage Period

Telecomm Sat Signals in GPS Backup; DoT Demo Coming

Mini Rubidium Atomic Clock Supports 5G, DoD, More

John Schleppe, GNSS Research Engineer, 1959–2020

Wheel-mounted MEMS IMU for Vehicular Navigation

Galileo Distress Acknowledgment Message Now Active