GNSS

World Space Week Focuses on Satellite Navigation

October 6, 2014By
10-03-world-space-week

The United Nations is spotlighting the benefits of satellite navigation and its contribution to the betterment of humankind as part of the observance of World Space Week — an annual global celebration of the contributions of space science and technology to humanity. The theme of this year’s World Space Week is Space: Guiding Your Way. It highlights the benefits of satellite navigation... read more

Improper Fuel Line Installation Led to Incorrect Galileo Orbit

October 6, 2014By

The cause of two Galileo satellites being released into the wrong orbit August 22 can be traced to improper installation of a hydrazine fuel line, according to Space News and the GalileoGNSS blog. The hydrazine fuel line was installed too close to a supercold helium line on the Fregat upper stage, which caused the hydrazine to freeze long enough to upset the Fregat stage’s orientation... read more

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

JAVAD GNSS Tracks IRNSS Signal

October 2, 2014By

JAVAD GNSS has published a chart showing that it has tracked the IRNSS (Indian Regional Navigational Satellite System) L5 signal. Shortly after the Indian Space Research Organization (ISRO) released its IRNSS Signal in Space Interface Control Document (ICD), JAVAD GNSS was able to track the L5 BPSK signal from both 1A and 1B satellites. Ability to track IRNSS L5 will be added to all... read more

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

Summer — and the Living Ain’t Easy

September 29, 2014By

Summer 2014 will be one that the €6.3 billion (US$8.2 billion) Galileo GNSS programme will need to chalk down to experience and hope to move on from. At the time of my last EAGER column, we were starting to get a hint that one of the four in-orbit Galileo IOV satellites was not functioning. We now know that it has... read more

IRNSS Signal in Space ICD Released

September 25, 2014By

News courtesy of CANSPACE Listserv. The Indian Space Research Organization (ISRO) has released Version 1 of the Indian Regional Navigational Satellite System (IRNSS) Signal in Space Interface Control Document for the Standard Positioning Service. The document provides information on the signals and structures of the IRNSS system, including signal modulations, frequency bands, received power levels, the data structures and their... read more

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

GPS III Payload Arrives, Platform Acceptance Tests Next

September 22, 2014By

Enter GPS III. The long-awaited navigation payload for the next-generation satellite pulled into its new temporary home over the September 13 weekend, the Lockheed Martin Space Systems facility in Littleton, Colorado. Lockheed is the U.S. Air Force’s  prime contractor for the first batch of eight GPS III satellites. Exelis Geospatial Systems has committed to delivering the payloads for the second,... read more

Seventh GPS IIF Satellite Set to Healthy and Usable

September 22, 2014By

The seventh GPS-IIF satellite, SVN-68/PRN-09, launched on August 2, was set to healthy and usable Sunday night, according to Rick Hamilton, CGSIC executive secretariat of the USCG Navigation Center. The change brings the number of satellites transmitting the L2C signal to 13, and those transmitting the L5 signal to seven. The next GPS-IIF satellite, IIF-8/SVN-69, is tentatively scheduled for launch on October  29. Below... read more

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

Talks on Placing GLONASS Stations in the U.S. Not Renewed

September 19, 2014By

RIA Novosti is reporting that negotiations regarding the placement of a differential correction and monitoring GLONASS station in the United States have not yet been renewed. The news agency quotes remarks by Grigory Stupak, first deputy general designer of Russian space systems, during the Fourth International School on Satellite Navigation. In all, 40-50 GLONASS stations are planned for placement around the world, Stupak... read more

This article is tagged with , , , , and posted in GNSS