GNSS

Russia Launches Single GLONASS Satellite

June 16, 2014By
GLONASS-launch-O

A single GLONASS-M satellite was launched from the Plesetsk Cosmodrome on Saturday, June 14, at 17:16 UTC. The satellite, GLONASS-M 55 (with designation 755 once operational and also known as Kosmos 2500), was inserted into the GLONASS constellation’s Plane 3 and will occupy orbital slot 21, according to ISS Reshetnev, the manufacturer of the satellite. Reshetnev also reported that the... read more

This article is tagged with and posted in Featured Stories, GLONASS, GNSS News, Latest News

Lockheed Misses GPS III Deadline After Production Delays

June 13, 2014By

The U.S. Air Force is shopping for alternative companies to head  the GPS III program after its current contractor, Lockheed Martin Space Systems, hit production delays, according to the Denver Post. There have been technical problems with the first GPS III satellite navigation system, which is supplied by Lockheed Martin subcontractor Exelis, the newspaper reports. After the current eight-satellite contract... read more

This article is tagged with , , and posted in GNSS News, GPS Modernization, Latest News

ION International Technical Meeting 2015 Now Accepting Abstracts

June 13, 2014By

Abstract submissions are now being accepted for The Institute of Navigation’s (ION) International Technical Meeting (ITM), set for January 26-28, 2015, at the Laguna Cliffs Marriott Hotel, Dana Point California. Abstracts are being accepted through October 3, 2014. This year’s plenary session will focus on “The Human Factor: Interpreting and Acting on Navigation Data,” and will explore how navigation data... read more

This article is tagged with and posted in GNSS, Latest News, LBS/Wireless, Machine Control/Ag, OEM, Survey, Transportation

GLONASS-M Satellite to Launch June 14

June 9, 2014By
glonass_M-launch-O

GLONASS-M satellite number 55 is planned for launch on June 14 from the Plesetsk cosmodrome, said the first deputy director Viktor Kosenko as reported by Interfax.ru. Kosenko said that through 2020, 25 more GLONASS satellites are planned: 11 GLONASS-M, 10 Glonass-K1, and four Glonass-K2. At the same time, he said, one GLONASS-K1 spacecraft is in orbit undergoing flight tests. GLONASS-M... read more

This article is tagged with and posted in Featured Stories, GLONASS, GNSS News

Russia Turns IGS Data Back on — Sort of

June 5, 2014By

On June 2, GPS World reported that GPS tracking stations co-sponsored by U.S. interests but located in Russia had stopped making their data available to scientists and others. Now, “It looks like the tap has been turned back on, at least at slow flow,” reports Richard Langley, GPS World Innovation editor and University of New Brunswick professor. “Hourly and daily... read more

Russia Turns off Data from IGS GPS Tracking Stations

June 2, 2014By
Russia-IGSstations-O2

As announced by Russian Deputy Prime Minister Dmitry Rogozin on May 13, 2014, GPS tracking stations co-sponsored by U.S. interests have stopped making their data available to scientists and others. The tap on the flow of data from 11 stations was turned off starting on May 31. The data flow included hourly and daily data files from the stations as... read more

Innovation: The European Way

June 1, 2014By
FIGURE 1. Global vTEC map obtained with the NeQuick electron density model for a sunspot number of 150 at 13h UT in the month of April (grid resolution 2.5 degrees × 2.5 degrees).

Performance of the Galileo Single-Frequency Ionospheric Correction During In-Orbit Validation
In this month’s column, a team of researchers from ESTEC describe the European way for modeling the ionosphere for single-frequency users and compare its performance to the current GPS approach. read more

This article is tagged with and posted in From the Magazine, Innovation, Signal Processing

Expanding Our System of Systems

May 30, 2014By

Putting GNSS into use within much larger aggregates of systems shows the greatest promise yet for earthly good. Goodness knows, we have experienced plenty of benefit from GPS applied over 25+ years, from back-up and fill-in provided by GLONASS, and with further synergy anticipated from Galileo and BeiDou.  But we ain’t seen nothing yet. Two presentations this month at the... read more

This article is tagged with and posted in GNSS Opinions, Newsletter Editorials