Global Navigation Satellite Systems Engineering, Policy, and Design
Moscone CenterThe 47th American Geophysical Union Fall Meeting will take place from December 15-19, 2014 at the Moscone Center in San Francisco, California, U.S.A.
Registration information can be found here.
By Inside GNSS
Efficient power transmission and distribution would benefit from synchronized near–real-time measurements of voltage and current phasors at widely dispersed locations in an electric power grid. Such measurements also could enable effective real-time system monitoring and control, which are considered to be the key to preventing wide-scale cascading outages like the 2003 Northeast Blackout.
By Inside GNSS
As a navigation satellite transmits multiple signals on single frequency (e.g., Open Service and Restricted Service over L5 Band), these are combined on a common carrier to comprise a composite signal. This composite signal passes through navigation payload subsystems such as an up-converter, traveling wave tube amplifier (TWTA), filters, and so on. These subsystems may introduce adverse effects on the signal, such as amplitude and phase distortion, nonlinear effects, gain imbalance, IQ imbalance, and phase noise.
By Inside GNSS
Figure 2: Sky plot showing position of IRNSS and GPS satellites over Helsinki Finland on November 6, 2014 at 16:10 local time.The Indian Regional Navigation Satellite System (IRNSS)] is designed as a stand-alone regional navigation system with a primary service area extending up to 1,500 kilometers from the Indian land mass. Finland lies north of 60°N latitude more than 5,000 kilometers away from India, as shown in Figure 1 (see photo at the top of this article).
By Inside GNSS
GPS Space Service Volume (SSV) Requirements/Performance ParametersNew space missions such as the robotic repair and recovery of damaged or errant communication satellites may become possible with the aid of an emerging class of receivers that is able to use GPS signals for navigation in orbits thousands of kilometers above the middle Earth orbit (MEO) GPS constellation itself.
By Dee Ann Divis
Russia’s involvement in the Ukraine crisis has turned much of public opinion in the West against that country, in particular souring the relationship between the European Union (EU) and Russia. And, while the ceasefire signed in September technically is still in force, the EU-Russia rift is far from smoothed over.
By Peter Gutierrez
Tables 1, 2, 3 & 4Q: What are the actual performances of GNSS positioning using smartphone technology?
A: “Where I am?” is the typical question asked by a person when visiting a new city or unknown place. Knowing one’s own location is generally a basic necessity for people, both in indoors and outdoors.
By Inside GNSS
Dennis Odijk, Curtin UniversityThe availability of carrier phase tracking — counting the cycles of GNSS signals between satellites and a receiver — has long enabled high-precision users to achieve greater accuracy than using the navigation messages or pseudoranges. Improvements in high-end receivers and techniques such as real-time kinematic (RTK) and precise point positioning (PPP) have made once inconceivably accurate results almost routinely accessible.
By Inside GNSS
Working Papers explore the technical and scientific themes that underpin GNSS programs and applications. This regular column is coordinated by Prof. Dr.-Ing. Günter Hein, head of Europe’s Galileo Operations and Evolution.
SIDEBAR: Locating a Distress Beacon Activated in Flight
By Inside GNSS
TRANSNAV 2013 ParticipantsThe 11th International Conference on "Marine Navigation and Safety of Sea Transportation” TRANSNAV 2015 symposium will be held June 17-19, 2015 in Gdynia, Poland, a seaport and resort city on the south coast of the Baltic.
Online registration is open.
By Inside GNSS
The IGNSS 2015 symposium on GPS/GNSS and industry exhibition will take place at the Outrigger Hotel in Gold Coast, Queensland, Australia from July 16 to 18, 2015. The conference venue is one block from the famous Surfer’s Paradise Beach.
The deadline for abstracts is February 9, 2015.
Registration will be open at the end of March, 2015. Early bird registration ends May 18, 2015.
By Inside GNSS
This three-day NavtechGPS Winter GNSS Training course will take place at ESA/ESTEC in Noordwijk, The Netherlands, November 17-19, 2014.
Registration is open.
Course 336: GPS Fundamentals, Enhancements & Introduction to Differential GPS will be taught by Dr. Chris Hegarty. The course is open to citizens of NATO countries.
By Inside GNSS
The Terracotta Army inside the Qin Shi Huang Mausoleum in Xi’anThe 2015 China Satellite Navigation Conference and technology and applications exhibition will be held at the Xi’an Qujiang International Conference Center on May 13, 14, and 15, 2015 in Xi’an, China.
Registration information can be found on the conference website. The deadline for abstracts has passed.
This year, conference topics include:
By Inside GNSS
