GNSS

ION GNSS+ 2014 Conference Now Accepting Abstract Submissions

January 6, 2014By

Abstract submissions are now being accepted for the Institute of Navigation’s (ION) GNSS+ 2014, the 27th International Technical Meeting of the Satellite Division. The conference will take place September 8-12, 2014 (Tutorials September 8-9) at the Tampa Convention Center, Tampa, Florida. The deadline for submitting abstracts is March 7, 2014. Instructions on submitting your abstract can be found on the... read more

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China Releases Public Service Performance Standard for BeiDou

January 5, 2014By

On December 27, 2013, the first anniversary of BeiDou Navigation Satellite System providing full operational regional service was held in Beijing. At the meeting, China Satellite Navigation System Management Office Director Ran Chengqi announced the BeiDou Navigation Satellite System Public Service Performance Standard. The document details the public service performance parameters of BeiDou system, including service area, accuracy, integrity, continuity,... read more

This article is tagged with and posted in BeiDou/Compass, GNSS News, Latest News

Innovation: Cycle Slips

January 1, 2014By
FIGURE 1. A cycle slip affecting phase measurements but not the pseudoranges.

Detection and Correction Using Inertial Aiding
A team of university researchers has developed a technique combining GPS receivers with an inexpensive inertial measuring unit to detect and repair cycle slips with the potential to operate in real time. read more

The System: Two More Threes for Space

January 1, 2014By

A December 12 contract modification provided Air Force funding to Lockheed Martin to complete the fifth and sixth GPS III space vehicles (SV 05-06). Lockheeed originally received funding to procure long-lead parts for satellites five through eight (SV 05-08) in February 2013. read more

Data Sources for BeiDou, Real-Time Ephemeris

January 1, 2014By

From the GNSS R&D Discussion Group on LinkedIn Hello, everyone, I am looking for a tool/software which can generate a satellite geometry distribution map of Chinese BeiDou over Asia. Just like a GPS PDOP global map. Could anyone give me a help? Thanks a lot in advance. Comments Maybe this tool helps you: AVIGA Service Volume Simulator: www.navpos.de/Publications/AVIGA_Pro_Flyer.pdf We use... read more

This article is tagged with and posted in BeiDou/Compass, GNSS News

Raytheon Granted $8.5M Change Order for OCX M-Code Implementation

December 30, 2013By

Raytheon Intelligence and Information Systems has been awarded a change order for work that costs up to $8.5 million on its existing contract to ensure that the new military signal, M-code, works with the GPS Operational Control System, according to an announcement from the Pentagon as reported by Space News. Raytheon is building the ground station (OCX) for a new... read more

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NovAtel Supplies Reference Receivers for IRNSS Ground Segment

December 23, 2013By
NovAtel-G-III-Receiver-O

NovAtel Inc., a manufacturer of GNSS precise positioning technology, has announced an agreement with the Indian Space Research Organisation (ISRO) to supply reference receiver products for use in the Indian Regional Navigation Satellite System (IRNSS) ground segment. India-based Elcome Technologies Pvt. Limited, a sister company to NovAtel in the Hexagon Group of Companies, will provide local integration, training and technical... read more

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Lockheed Receives $200M for GPS III 5 and 6

December 17, 2013By
GPSIII-prototype-ocx-test-O

Lockheed Martin Corporation has been awarded $200 million to produce GPS III satellites 05 and0 6 by the U.S. Air Force. Lockheed Marin originally received funding to procure long-lead parts for satellites five through eight (SV 05-08) in February. The award is a $200,700,415 cost-plus-incentive-fee modification (P00276) on an existing contract (FA8807-08-C-0010). Work will be performed at Littleton, Colorado, and... read more