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Inside GNSS • January/February 2014

Multi-GNSS Monitoring

A common refrain in the world of GNSS is the desire for “interoperability,” the use of signals from multiple systems without a decline — and potentially even an improvement — in the quality of results.

Achieving this depends on large part in establishing comparable parameters — particularly the geodetic references and timing systems — among the GNSSs along with a dense network of ground reference stations that can provide continuous, precise monitoring of satellites’ orbital positions.

GNSS Solutions • January/February 2014

Ionospheric Scintillation

Ionospheric scintillations are rapid temporal fluctuations in both amplitude and phase of trans-ionospheric GNSS signals caused by the scattering of irregularities in the distribution of electrons encountered along the radio propagation path. The occurrence of scintillation has large day-to-day variability. The most severe scintillations are observed near the poles (at auroral latitudes) and near the equator (within ± 20 degrees of geomagnetic equator).

Inside GNSS • January/February 2014

Reaching for the STARx

GNSS modernization includes not only the global coverage capabilities of GPS, GLONASS, Galileo, and BeiDou, but also regional GNSS enhancement systems such as Japan’s Quasi-Zenith Satellite System (QZSS), the Indian Regional Navigation Satellite System (IRNSS), and the European Geostationary Navigation Overlay Service (EGNOS).

Inside GNSS • January/February 2014

IGS-MGEX

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

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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