TAG: simulators

Averna and Skydel Join for Demonstrations at ION GNSS+

September 9, 2015By
The Averna RP-6100 record-and-playback solution.

Averna and Skydel Solutions will be showcasing their latest GNSS technology simulation products at The Institute of Navigation (ION) GNSS+ conference, giving show-goers the opportunity to see the RP-6100 in action. ION GNSS+, taking place Sept. 14-18 in Tampa, Fla., is the 28th International Technical Meeting of the Institute of Navigation’s Satellite Division and the world’s largest technical meeting and showcase of GNSS and related technology,... read more

BeiDou Numbering Presents Leap-Second Issue

March 3, 2015By

During preparation of playback scenarios for the upcoming leap-second event taking place in June, engineers at Racelogic identified a potential pitfall for GNSS engineers. The difficulty arises from the fact that BeiDou uses a different “day number” for the date to apply the leap second, compared with GPS and Galileo. GPS and Galileo use 1-7 as week day numbers, and... read more

GATE Facility Recertified as Galileo Test Bed

February 11, 2015By

The German Galileo test and development infrastructure GATE has been recertified to serve as a Galileo open‐air test laboratory, for receiver integrity testing (RAIM) for safety‐of‐life (SoL) applications, and for Galileo SIS ICD conformance of signal characteristics and signal quality. The GATE facility, in Berchtesgaden, is operated by IFEN GmbH. Certification was conducted by TÜV SÜD, an international service corporation... read more

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M3 Systems Announces Simulator Based on Vector Signal Transceiver

June 20, 2014By

M3 Systems is now offering the StellaNGC multi-constellation GNSS simulator based on the National Instruments (NI) vector signal transceiver. The simulator is designed for the testing of satellite navigation receivers for GPS, GLONASS, Galileo, and EGNOS/WAAS. It is designed to improve performance, scalability, and versatility, and reduce cost over existing navigation test solutions. GNSS is the predominant technology today for... read more

TerraStar GNSS Establishes Base at Nottingham University’s GRACE Facility

August 12, 2013By

TerraStar GNSS, a supplier of precision positioning services for land and near-shore applications, has established a base at Nottingham University’s GNSS Research and Applications Centre of Excellence (GRACE). GRACE operates operates under the auspices of its Institute of Engineering Surveying & Space Geodesy (IESSG). TerraStar GNSS maintains and controls a worldwide network of more than 80 GPS and GLONASS DGNSS... read more

Galileo Test Environment Open for Business

February 14, 2011By

The Galileo Test and Development Environment (GATE) in Berchtesgaden, Germany, officially opened on February 4. System operator IFEN GmbH announced GATE's availability for use by commercial and organizational entities seeking to test equipment with the coming Galileo signals. read more

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Galileo Test User Receiver

April 1, 2010By
FIGURE 1. C/N0 plot with nine satellites and all five Galileo signal types: L1BC (green), E6BC (blue), E5a (red), E5b (yellow), and E5 Altboc (purple).

A fully stand-alone, multi-frequency, multi-constellation receiver unit, the TUR-N can autonomously generate measurements, determine its position, and compute the Galileo safety-of-life integrity. read more

Higher Timing Accuracy, Lower Cost

November 1, 2009By
AURORA BOREALIS seen from Churchill, Manitoba, Canada. Ionospheric scintillation research can benefit from this new method.

Inside a typical GNSS receiver, the estimate of the error in the local oscillator is formed as a component of the navigation solution, which is in turn based on the output of each satellite-tracking channel propagating its estimate of carrier and code measurements to a common future point. But this method limits the resolution with which the noise of the local oscillator can be quantified. To bypass this shortcoming requires a method of coherently gathering information about the phase change in the local oscillator across all available satellite signals: to use the same samples simultaneously for all satellites in view to estimate the center-point phase error common across the visible constellation. We explore how. read more

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