receiver

Spectracom Launches GSG-54 8-Channel Simulator

Spectracom Launches GSG-54 8-Channel Simulator

Spectracom has introduced a new eight-channel GPS constellation simulator, the Pendulum GSG-54.

Designed to provide a wide-range of capabilities for in-line production testing of devices integrating GPS receivers, according to the company, the simulator features ease-of-operation, fast test cycles, and versatility in supporting the integration of GPS receivers into devices under development. The unit’s bench-top chassis is designed to be compact, portable, and easy to set up.

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By Inside GNSS
GNSS Simulators
July 27, 2010

GNSS Simulators

FIGURE 1: GNSS multi-channel signal simulator 10 years ago on its own (left) and with its ever-growing family (right)

For the complete story, including figures, graphs, and images, please download the PDF of the article, above.

In this article we describe the design and operation of a generic GNSS RF simulator. We also will look at the main types of GNSS RF simulators, their designs and specifics, their advantages and disadvantages.

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By Inside GNSS
Topcon Promotes O’Connor to Managing Executive Officer
July 22, 2010

Topcon Promotes O’Connor to Managing Executive Officer

Ray O’Connor, Topcon Positioning Systems

Topcon Corporation has announced the promotion of Ray O’Connor to managing executive officer for the company.  

O’Connor is president and CEO of Topcon Positioning Systems (TPS), based in Livermore, California, and chairman of the board of Topcon Europe Positioning. He will continue to fill these and other positions within the corporation while taking on additional managerial oversight of various corporate projects and initiatives.

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By Inside GNSS
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Generating Carrier Phase Measurements
June 22, 2010

Generating Carrier Phase Measurements

Q: What is the carrier phase measurement? How is it generated in GNSS receivers?

A: Simply put, the carrier phase measurement is a measure of the range between a satellite and receiver expressed in units of cycles of the carrier frequency. This measurement can be made with very high precision (of the order of millimeters), but the whole number of cycles between satellite and receiver is not measurable.

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By Inside GNSS
Testing Multi-GNSS Equipment

Testing Multi-GNSS Equipment

FIGURE 1: Single- and multi-channel simulators, GPS/Galileo (on top) and GPS/GLONASS software receiver USB front end with controlled power source

For the complete story, including figures, graphs, and images, please download the PDF of the article, above.

Testing procedures comprise an important element in the development, manufacturing, and integration of GNSS devices. Essentially, everybody involved in GNSS will be involved in or affected by testing at one time or another.

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By Inside GNSS
NovAtel Inc. Announces New OEMStar Models, New SPAN IMU
May 15, 2010

NovAtel Inc. Announces New OEMStar Models, New SPAN IMU

SPANS IMU-LCI integrated GNSS/Inertial

Canadian GNSS OEM manufacturer NovAtel Inc. has introduced five new models to its low cost, L1 OEMStar receiver card product line and four new models to the OEMStar-supported FlexPak-G2 enclosure product line. The Calgary, Alberta–based company has also added a new inertial measurement unit (IMU) option to its SPAN (Synchronous Position, Attitude and Navigation) GNSS/inertial product line.

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By Inside GNSS
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EC Liberates Galileo ICD Signal Specification
April 14, 2010

EC Liberates Galileo ICD Signal Specification

Today’s (April 13) release of an updated “Galileo Open Service Signal-In-Space Interface Control Document” (OS SIS ICD) freed the key specification document in two senses of the word: receiver manufacturers, application developers and service providers may now use the ICD as an official — not draft — guide to their work, and they may do so at no cost

The t’s have been crossed and the i’s dotted to the satisfaction of lawyers and politicians — and the relief of designers and system integrators eager to begin work on Galileo-capable products without fear of having substantive changes in the specifications and legal or financial difficulties for moving ahead.

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By Inside GNSS
Trimble Introduces New GPS Condor Receivers and Antenna Modules
February 4, 2010

Trimble Introduces New GPS Condor Receivers and Antenna Modules

Trimble has introduced its new Condor family of GPS modules, featuring advancements in signal tracking for applications in poor signal environments, as well as two antenna companion modules.

Compatible with active or passive antennas, the Condor L1 C/A-code GPS receivers can be used in portable handheld, battery-powered applications such as sport accessories, PDAs, cameras, computers, and communication peripherals as well as vehicle tracking, navigation, and security products.

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By Inside GNSS
Septentrio Announces AsteRx3 Multi-GNSS Receiver
January 29, 2010

Septentrio Announces AsteRx3 Multi-GNSS Receiver

AsteRx3 Receiver from Septentrio

Septentrio has launched the AsteRx3, a compact multi-frequency GPS/GLONASS/Galileo and Compass/Beidou-ready receiver.

AsteRx3 is specially designed for integration in demanding precision positioning, navigation, and automation applications such as land and maritime survey, machine control, and unmanned aerial vehicle (UAV) payloads.

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By Inside GNSS
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