GNSS

Innovation: Software GNSS Receiver

September 1, 2012By
Fig9

An Answer for Precise Positioning Research
In this month’s “Innovation,” we look into the development and capabilities of one modern software GNSS receiver in an effort to answer the question “What is the ideal GNSS receiver for precise positioning research?” read more

This article is tagged with and posted in From the Magazine, Innovation, Manufacturing, Receiver Design

Out in Front: Here’s My Vote

September 1, 2012By

By Alan Cameron Dear Senator _______________, Senator __________________, and Representative _____________, I write to you as my elected voice in government, regarding a current budget matter of critical importance to both U.S. national security and the U.S. economy. It may not be high on your list — yet — as its importance in both defense and infrastructure is not well... read more

This article is tagged with and posted in From the Editor, GNSS Opinions, Government Opinions, Opinions

China’s Beidou/Compass System Expected to Spur Growth in Nav Industry

August 30, 2012By

China’s Beidou/Compass system will spur the country’s economic development in the satellite-navigation industry, geoinformation, and location-based services, according to an article in China Daily. China’s civil navigation providers are likely to experience rapid growth during the 12th Five-Year Plan (2011-15) period. According to the article, “Earlier this month, Wang Chunfeng, deputy director-general of the National Administration of Surveying, Mapping and... read more

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

Preparations Move Forward for Next Galileo Launch

August 30, 2012By

  Galileo Flight Model #3 (FM3) is readied for the satellite’s fit check on the dispenser that will carry it and FM4 in a parallel arrangement on Soyuz’ next launch. The silver-colored dispenser is partly visible behind two mission team members during this activity in the Spaceport’s S1B payload preparation building.   Both Galileo navigation satellites for Arianespace’s third Soyuz... read more

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

Taking It to the House

August 22, 2012By

Testimony by Todd E. Humphreys; U.S. House of Representatives Committee on Homeland Security; Subcommittee on Oversight, Investigations, and Management; Hearing, July 19, 2012: Using Unmanned Aerial Systems Within the Homeland: Security Game Changer? read more

This article is tagged with and posted in Expert Advice & Leadership Talks, GNSS, GNSS News, GNSS Opinions

Next GPS IIF Satellite Launch Expected October 4

August 20, 2012By

Spaceflight Now is reporting that the next GPS satellite, Block IIF-3 (SVN65) to be launched on October 4, 2012, will be positioned in orbital slot 1, which is in plane A. This slot is currently occupied by a Block IIA satellite, SVN39, operating as PRN09. SVN39 is one of the oldest operating satellites in the GPS fleet, having been launched on June 26, 1993. read more

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

GIOVE-B: Lost and Found

August 20, 2012By

After more than four years of service as a Galileo test-bed satellite, GIOVE-B was retired on July 23. Its navigation transmitters were switched off and, according to an announcement from the European Space Agency, the satellite's height was subsequently raised in a series of steps to place it in a so-called "graveyard" orbit where there will be no danger of it interfering with the operational Galileo satellites or other spacecraft. read more

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

GPS SVN49 Resumes Transmissions Using PRN24

August 13, 2012By

The GPS Block IIR-M satellite, SVN49, resumed transmissions as PRN24 at about 18:35 UTC on August 9, 2012. The signals are marked unhealthy and the satellite is not included in broadcast almanacs. SVN49 was launched on March 24, 2009 but remains out of service until an L1/L2 satellite multipath issue is resolved. read more

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