GNSS NEWS

January 8, 2019

ION Reschedules CASSCA 2019 Conference Due to Partial Government Shutdown

Manassas, Virginia, January 8, 2019Due to the extended impasse between U.S. Congressional leaders and the White House that has created a partial U.S. government shutdown, the Institute of Navigation (ION) has decided to postpone the Cognizant Autonomous Systems for Safety Critical Applications (CASSCA) Conference scheduled to take place January 28-29, 2019 at the Hyatt Regency Reston in Reston, Virginia.

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By Inside GNSS
December 31, 2018

Ligado-Related Lawsuit Recommences Jan. 2

Though 2019 is brand new there are a host of GPS-related issues carrying over from 2018. This is one in a series of stories on satellite navigation issues on the table as the new year gets underway.

Virginia-based Ligado Networks and its predecessor firm LightSquared have been pushing since 2011 to change the rules governing how its spectrum can be used — a move essential to building a ground-based communications network that navigation experts insist will interfere with GPS receivers.

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By Dee Ann Divis
December 24, 2018

Launch of First GPS III Satellite Begins Modernization of the GPS Constellation

At approximately 12,550 miles (20,200 kilometers) up … turn left. You have arrived at a new era for the Global Positioning System (GPS).

A major milestone in the U.S. Air Force’s plan to bring new technology and capabilities to the GPS constellation, the first Lockheed Martin-built GPS III satellite began “talking” with engineers and operators from ground control, as planned, following its successful launch Sunday morning.

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By Inside GNSS
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INDUSTRY VIEW

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January 15, 2019

Tersus GNSS Releases GeoCaster Software, a Cost-effective Caster Software for NTRIP Corrections

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January 10, 2019

New Executive Editor Joins Inside GNSS, Autonomous Media

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January 8, 2019

Septentrio and Sapcorda to Demonstrate Safe High-Precision GNSS Positioning, Correction Solutions for Autonomous Driving

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GNSS TIMELINE

More Timelines
January 15, 2019

ION’s Pacific PNT Returns to Honolulu

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ION’s PTTI and ITM Conferences Set for Jan. 29-31

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January 8, 2019

ION Reschedules CASSCA 2019 Conference Due to Partial Government Shutdown

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COLUMNS & EDITORIALS

December 9, 2018

BlueGNSS Project – A Step Towards E-GNSS Harmonization in the Air Navigation Sector

BLUEGNSS is a project developed in the framework of the Horizon 2020 (H2020) program involving four ANSPs of different European countries (Italy, Cyprus, Greece, and Malta) plus one industrial partner, IDS (Ingegneria Dei Sistemi). The project objective is to harmonize the implementation of PBN approach operations among the BLUE-MED FAB States. This article provides an overview of the phases required to reach this goal and focuses on GNSS performance assessment as recommended by ICAO.

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By Inside GNSS
December 6, 2018

What Is Snapshot Positioning and What Advantages Does It Offer?

Snapshot positioning is a technique for determining the position of a Global Navigation Satellite System (GNSS) receiver using only a very brief interval of the received satellite signal, where the sampling time can be more than 100 milliseconds (ms) or even down to as little as 2 ms. In comparison, a conventional GNSS receiver may require anywhere between a few and tens of seconds of signal tracking before it is able to compute its first position.

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By Mark Petovello
December 6, 2018

Innovative Test System for GNSS Signal Performance Analysis in Real Environments Part 2

This article — Part 1 was published in the September/October 2018 issue ­— presents the authors’ experience in setting up an airborne pseudolite (UAVlite) with the needed ground-based infrastructure to perform code and phase ranging performance analysis. UAVlites transmit GNSS-like signals free from any local transmitter multipath (in contrast to ground-based transmitters) and can in principle be localized in real-time through a synchronized network of ground stations which may also broadcast the UAVlite positions in real-time.

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By Günter W. Hein
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