Design & Test

BeiDou Precision Nav Will Receive GPS, GLONASS, Galileo Signals

February 9, 2015By

A senior Chinese government space official on Feb. 5 said precision-navigation user receivers in China will be fitted with chipsets receiving satellite signals from BeiDou, GPS, GLONASS, and Galileo, according to Space News. The move could accelerate the trend among navigation chipset and receiver makers to build gear for multi-constellation reception, and at the same time undermine regional measures to promote one system over... read more

Judge Rules Against LightSquared in Claims Against GPS Firms

February 9, 2015By

A U.S. judge dismissed the bulk of two lawsuits by LightSquared and equity owner Harbinger Capital Partners, reports Reuters. The suits accused Trimble, Garmin and Deere & Co. of misleading them about interference concerns and hastening the company’s fall into bankruptcy. In an opinion issued Feb. 5 in Manhattan federal court, Judge Richard Berman threw out Harbinger’s lawsuit, and denied nine of... read more

Latest Galileo Satellites Reach Launch Site

February 6, 2015By
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News from the European Space Agency Another two Galileo satellites have touched down in French Guiana ready to take their place in Europe’s satellite navigation constellation. The pair, safely cocooned inside their air-conditioned containers inside an Air France Boeing 747, landed at Cayenne–Félix Eboué Airport yesterday. They were then taken by lorry to be installed in the cleanroom surroundings of Europe’s Spaceport... read more

This article is tagged with and posted in Design & Test, Featured Stories, GNSS, Latest News

Septentrio RTK Receivers Power DigPilot 3D Machine Guidance

February 4, 2015By
Septentrio-DigPilot

DigPilot, a Norwegian supplier of surveying equipment and instruments for building and construction, has developed a flexible 3D machine guidance system based on Septentrio’s AsteRx2eH OEM GNSS receivers. AsteRx2eH is a single-board dual-frequency dual-antenna 272-channel GPS/GLONASS OEM heading receiver, which provides 20-Hz data output of position, heading and pitch/roll data to the machine guidance system. As a member of Septentrio’s... read more

ION Announces 2015 Award Winners, Fellows

February 2, 2015By
ION's new Fellows: (from left) Attila Komjathy, Yu (Jade) Morton, and Frank van Digglen.

The Institute of Navigation (ION) presented its Annual Awards during the ION International Technical Meeting in Dana Point, Calif., Jan. 26-28. The annual awards recognize individuals making significant contributions or demonstrating outstanding performance relating to the art and science of navigation. ION also announced its elected Fellow members. Award Winners Mathieu Joerger received the Early Achievement Award for outstanding contributions to the... read more

Leap Second Implementation Confuses Some Receivers

February 2, 2015By

The United States Civil GPS Service Interface Committee (CGSIC) has issued a notice about a problem some receivers are having implementing the correct time. The U.S. Coast Guard Navigation Center has received reports of synchronization issues since the implementation of a leap second on Jan. 21. Users experiencing this problem should contact the receiver manufacturer for a firmware or software update. Below is the... read more

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New NovAtel RTK GNSS Receiver Offers Advanced Heading Capabilities

February 2, 2015By
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NovAtel Inc. has announced the FlexPak6D enclosed GNSS receiver, a flexible dual-antenna solution for application developers seeking a high-precision heading-capable positioning engine for space-constrained applications. Designed for efficient and rapid integration, the compact, lightweight receiver tracks GPS, GLONASS, Galileo and BeiDou. Antenna placement is flexible, which means the antenna baseline can be set according to space available on the vehicle... read more

This article is tagged with and posted in Featured Stories, Latest News, Product Showcase, Receiver Design

Innovation: Python GNSS Receiver

February 1, 2015By
FIGURE 8. The trip back to Puno as determined by Receiver Y after cooperative scalar tracking and navigation computations. Compared to Figure 4, the navigation solutions are less noisy. Image courtesy of Google Earth and the GPS Visualizer.

An Object-Oriented Software Platform Suitable for Multiple Receivers
An experiment highlights the abilities of the Python Receiver, showing how it has been used to develop a software-defined GNSS receiver — one well-suited to processing data from a network of receiver front ends. read more