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Inside GNSS: Engineering Solutions from the Global Navigation Satellite System Community
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December 18, 2013

Difficult Task: Placing an Economic Value on GPS

The nation’s leading GPS experts are struggling to quantify how the world’s premier navigation and timing system affects the U.S. economy, an effort critical to building a political firewall around GPS spectrum in the face of ballooning demand for broadband capacity.

December 17, 2013

40th Anniversary of Key DoD Decision on GPS

Brad Parkinson, the first director of the NAVSTAR GPS Joint Program Office, once said that his work with the Global Positioning System had led him to validate an interpretation of “prime law” suggested by a colleague: one thing leads to another

Forty years ago today, that principle culminated in a key decision by the Department of Defense to proceed with what became the GPS program.

December 17, 2013

GPS-Aided Crowdshipping: TwedEx and Deliv

Crowdsourcing has gained some attention in the GNSS community as a means for detecting and mitigating RF interference and signal spoofing.

In the past year, researchers and commercial ventures have developed ways to take advantage of the GNSS-derived knowledge of real-time location of participants to create ad hoc networks of couriers.

December 16, 2013

Russians Consider IGS as Congress Moves to Limit GLONASS, Foreign GNSS Monitoring Stations on U.S. Soil

Lawmakers are poised to sharply limit the ability of foreign nations to own or control satellite system monitoring stations on U.S. territory, a rare show of congressional cooperation triggered by a Russian request to place stations supporting its satellite navigation system on American soil.

February 27, 2014 - March 1, 2014
Brisbane, Australia
Inside GNSS • November/December 2013

GNSS Hotspots

1. PAPER, PLEASE.
Silver Spring, Maryland USA
√ The USA will stop printing nautical charts next April, the end of a 150 year tradition. Why? “Declining demand, electronic and digital charts and federal budget realities,” said NOAA’s Office of Coast Survey. They will maintain and update PDFs of more than a thousand coastal charts and refer those who admire traditional lithography to private printers who can do the job.

November 26, 2013

Rohde & Schwarz GNSS Simulator Now Supports Chinese BeiDou Standard

Rohde & Schwarz has added BeiDou functionality to its GNSS simulator integrated into the company’s R&S SMBV100A vector signal generator. With the R&S SMBV-K107 option the GNSS simulator now covers the BeiDou standard as well as those for GPS, Galileo, and GLONASS.

November 26, 2013

China Satellite Navigation Conference 2014 Planned for Nanjing

The organizing committee for the fifth China Satellite Navigation Conference (CSNC 2014) is inviting papers for presentation at the event, scheduled May 21–23 in Nanjing.

The annual event is China's largest and most comprehensive high-level satellite navigation academic conference. Abstracts need to be submitted by November 30 and full papers, by December 30.

Inside GNSS • November/December 2013

RF Spectrum Protection

EDITOR'S NOTE: Jules McNeff answers additional questions on the subject of spectrum protection and sharing in a special “GNSS Forum” extension of this installment of the "Thought Leadership Series" in this issue of Inside GNSS.

As Mark Twain once famously told a petitioner for investment advice: “Buy land. They are not making it any more.”

So it is with radio frequency spectrum, a limited and finite resource.

Inside GNSS • November/December 2013

Integrated Navigation

Due to the huge success of GPS in both military and civil applications, several other GNSSs have been developed, built, and operated in the last few decades. GNSS, regional, and augmentation systems are comprise a growing family that also includes GLONASS, Galileo, BeiDou, and Japan’s Quasi-Zenith Satellite System (QZSS). New members, such as the Global Indian Navigation System (GINS), are preparing to join in next decade.

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