A: System Categories Archives - Page 64 of 211 - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design

February 6, 2018

Japan-Australia Quasi-Zenith Satellite System (QZSS) Industrial Utilization Workshop

This free workshop will share information about QZSS and GPS related technologies and the latest developments in the applications of this technology in a range of sectors including agriculture, autonomous driving, advanced route guidance and the maritime sector. The all-day workshop will explore avenues for future cooperation with Australian organizations, both in the private and public sectors and report on trials undertaken in Australia using QZSS applications.

By Inside GNSS

January 30, 2018

A Demonstration of the Galileo E5b Signal

Working Papers explore the technical and scientific themes that underpin GNSS programs and applications. This regular column is coordinated by Em. Univ.-Prof. Dr.-Ing. habil. Dr. h.c. Günter W. Hein.

By Günter W. Hein

January 26, 2018

European Space Agency Ushers in 2018

The opening of the New Year at the European Space Agency (ESA) came in the wake of another spectacular launch for Europe’s GNSS program; last December, four Galileo satellites were lifted into space from Kourou, French Guyana, on board the thundering Ariane 5 launcher, by all accounts leaving witnesses awestruck.

By Inside GNSS

Now Deemed a “New Start,” GPS IIIF May Face More Delays

A decision by the Department of Defense (DoD) may be what’s holding up action on the Air Force’s $10 billion plan to build 22 new GPS IIIF satellites and could increase the chances of further, perhaps substantial, delays.

By Inside GNSS

January 17, 2018

Iridium Seeks More Ground Terminals, Raising GPS Interference Concerns

GPS firms are concerned about a proposal by another L band satellite firm to build more ground terminals as part of a combined satellite-ground communication network.

By Inside GNSS

January 16, 2018

Industry Awaits GPS III RFP As Delays Mount

Another month is slipping away with no sign of the Request for Proposals (RFP) for the multi-billion dollar GPS III contract.

By Inside GNSS

January 11, 2018

Third-Generation BeiDou Satellite Signals Being Tracked by ComNav Technology

Shanghai, China-based ComNav Technology Ltd. announced this week that it has successfully been tracking and analyzing the BD-3 satellite signals to bring better high-precision positioning services in the near future.

By Inside GNSS

January 1, 2018

RNSS and the ITU Radio Regulations

All applications of satellite navigation show a strong growth. They can now rely on four global systems (GPS, GLONASS, Galileo and BeiDou) and additional regional systems, sometimes aiming for future global extension (QZSS, NavIC). All these systems and their applications rely on very limited satellite orbit spectrum. This article is providing background and insights on the growing pressure on this limited resource, giving rise to proposals for “sharing” spectrum. How satellite navigation will survive and find the necessary spectrum resources to grow is reviewed in details in the following paragraphs.

By Ingo Baumann

What is navigation message authentication?

Q: What is navigation message authentication?

A: As of today, all open civil GNSS signals are transmitted in the clear, conforming to interface specifications that are fully available in the public domain. Receivers will accept any input that conforms to the specifications and treat it as if it came from a GNSS satellite. Combined with the extremely low power levels of GNSS signals this makes it almost trivially simple to spoof a GNSS receiver.

By Inside GNSS

Congressional Mandate Means More Work on New Military GPS Receivers

The Air Force is scouring the landscape for its next round of receiver technology now that the first increment of its military receiver development program is moving into a deeper testing phase.

By Dee Ann Divis

December 28, 2017

Harbinger Sues for $2 Billion Alleging GPS Interference Intentionally Concealed

Phil Falcone’s Harbinger Capital is seeking $2 billion in damages for "massive fraud" alleging that Apollo Global Management and others sold it on a plan to launch a terrestrial broadband network while concealing test results showing the network would cause crippling GPS interference and be unlikely to be approved. Assertions

By Inside GNSS

December 18, 2017

GPS III RFP Delayed Again as GAO Underscores GPS Schedule Challenges

An additional delay in release of the GPS III RFP emerged just as federal watchdogs released a new report detailing the challenges Air Fore managers will face in keeping all the components of the modernization program on track.

The long-expected report from the Government Accountability Office looks at the overall effort to update GPS including developing a new ground system, more capable receiver cards for military equipment and new satellites to sustain and improve the constellation.

By Inside GNSS

Bill Would Mandate Building of GPS Timing Backup

Senate lawmakers have introduced a bi-partisan bill giving the Department of Transportation (DoT) responsibility for launching a GPS timing backup and a two-year deadline to get it up and running.

By Inside GNSS

A: System Categories

GPS III Request for Proposals Released...

Tesla Car Launched into Space…Without LiDAR...

Japan-Australia Quasi-Zenith Satellite System (QZSS) Industrial Utilization Workshop

A Demonstration of the Galileo E5b Signal

European Space Agency Ushers in 2018

Now Deemed a “New Start,” GPS IIIF May Face More Delays

Iridium Seeks More Ground Terminals, Raising GPS Interference Concerns

Industry Awaits GPS III RFP As Delays Mount

Third-Generation BeiDou Satellite Signals Being Tracked by ComNav Technology

RNSS and the ITU Radio Regulations

What is navigation message authentication?

Congressional Mandate Means More Work on New Military GPS Receivers

Harbinger Sues for $2 Billion Alleging GPS Interference Intentionally Concealed

GPS III RFP Delayed Again as GAO Underscores GPS Schedule Challenges

Bill Would Mandate Building of GPS Timing Backup