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October 8, 2008

NOAA Expands CORS Reference Sites

NOAA’s National Geodetic Survey (NGS) has recently added 43 GPS tracking sites into the Continuously Operating Reference Station (CORS) network overseen by the federal agency.

New Builds • October 2, 2008

u-blox Chooses NavX-NCS for Galileo Testing

u-blox AG has selected the NavX-NCS, a multi-constellation and multi-frequency GNSS RF navigation constellation simulator from IFEN GmbH, as the Galileo reference for its receiver development and testing.

September 25, 2008

Russia Adds Three GLONASS Spacecraft to Constellation

A Russian Proton launcher successfully lifted three GLONASS-M satellites into orbit on schedule Thursday, September 25.

New Builds • September 18, 2008

Magellan Launches First of New OEM GNSS Product Line

After nearly a year of silence, Magellan has returned to the OEM GNSS space with the MB 500 GPS/GLONASS/SBAS dual-frequency board — reportedly the first of a series of new products by the long-standing brand.

September 19, 2008

Trimble Announces New Precision Products, RolleiMetric Acquisition, and Saab JV

has announced its new GNSS reference receiver — the Trimble NetR8 — for precise scientific and network infrastructure applications. The NetR8 reference receiver has 76 channels and supports GPS L1, L2, L2C and L5 signals as well as GLONASS L1/L2 signals.

Four additional channels are dedicated to tracking space-based augmentation systems
(SBAS), including Wide Area Augmentation System (WAAS) in North
America, European Geostationary Navigation Overlay System (EGNOS) in
Europe, Multi-functional Satellite Augmentation System (MSAS) in Japan,
Omnistar services and others.

September 16, 2008

Putin Backs $2.62-Billion Addition to GLONASS Budget

Russian Prime Minister Vladimir Putin has approved the addition of 67 billion rubles (US$2.62 billion) to the GLONASS program budget for the years 2008–11.

Inside GNSS • May/June 2006

GNSS Album: Images and Spectral Signatures of the New GNSS Signals

Until now, civilian global satellite navigation systems (GNSS) receivers have had essentially only one signal, the GPS L1 C/A-code, reliably available for navigation. However, in the coming years, many more operational GNSS signals, systems, and frequencies will become available to civilian users.

Inside GNSS • May/June 2008

GLONASS–A New Look for the 21st Century

Nearly 30 years after the first launch of a GLONASS spacecraft, Russia is moving to add code division multiple access (CDMA) signals to the frequency division multiple access (FDMA) format that has set the world’s second-oldest GNSS apart from GPS and other systems under development.

New Builds • May 6, 2008

Applanix Launches POS AV with Integrated Trimble GNSS, Upgraded DSS RapidOrtho

Applanix has announced the availability of a high altitude tactical mapping option for its DSS RapidOrtho system as well as the integration of the Trimble BD960 GNSS receiver module for its POS AV airborne position and orientation system.

With the GNSS module, POS AV products now support GPS L1/L2 and GLONASS L1/L2 processing, both in real-time and post-mission. The BD960 will also be able to receive and process the next-generation GPS L2C and L5 signals.

April 28, 2008

Russia Approves CDMA Signals for GLONASS, Discussing Common Signal Design

Nearly 30 years after the first launch of a GLONASS spacecraft, Russia is moving to add code division multiple access (CDMA) signals to the frequency division multiple access (FDMA) format that has set the world’s second-oldest global satellite navigation system apart from GPS and other systems under development.

A February 15, 2008, government decree on new GLONASS requirements calls for open CDMA signals with a binary offset carrier or BOC (2,2) signal structure centered at 1575.42 MHz and a BOC (4,4) signal centered at 1176.45 MHz — essentially corresponding to the center points of GPS signals at the L1 and L5 frequencies and nearby Galileo and Compass signals.

An additional GLONASS FDMA signal will be located at L3 frequencies (1197.648–1212.255 MHz), just below the GPS M-code at L2.

Russia will implement the new signals on the next-generation GLONASS-K satellites, with the first launch currently expected in late 2010 with flight testing the following year.

Jammer Dectector
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