SubscribeElsewhere on GearShrine: iPod Touch | Sirius | ASUS Eee PC | Sidekick | Palm Treo | XM | T-Mobile G1 |
# 15 Blogger
Inside GNSS
Inside GNSS (www.insidegnss.com) has great Global Positioning System news, photos, videos and more
Thursday, Jun 4
Changes in Store for US Military GPS Equipment Development and ...
Eugene At the agency level, a proposal is forthcoming to “stand up” a positioning, navigation, and timing (PNT) user equipment joint program office (JPO) that would incorporate UE responsibilities (and budgets) now exercised by the GPS Wing (GPSW). ...
Thursday, May 28
What About Vector Tracking Loops?
Eugene To determine the relative performance advantage of the vector-tracking algorithm for a typical GPS receiver, the visible satellite constellation was recorded every minute for about 14 hours at Auburn University ... … The reduction in C/N 0 ratio needed ...
Synthetic Aperture GPS Signal Processing: Concept and Feasibility ...
Eugene In addition to positioning, navigation and timing, GPS turns out to be a useful sensor for studies of the Earth's atmosphere. Synthetically generated, phased-array antennas can process GPS signals to create large antenna apertures. ...
Monday, May 25
GAO Report on GPS Satellite Constellation Status: The Pushback
For example, the GAO suggests that a two-year delay in the production and launch of the first and all subsequent GPS III satellites “would reduce the probability of maintaining a 24-satellite constellation to about 10 percent by around fiscal year 2018 ...
Friday, May 22
Modernization Milestone Observing the First GPS Satellite with an ...
Eugene Centered at 1381.05 MHz, the L3 signal provides the communications link for the Nuclear Detonation (NUDET) Detection System (NDS) payload on board GPS satellites designed to detect nuclear detonations and other high-energy infrared events. ...
Thursday, May 21
Obama 2010 GPS Budget Calls for $1 Billion+
Eugene The president's proposed Fiscal Year 2010 (FY10) budget would provide more than $1 billion for GPS and related US space-based positioning, navigation, and timing (PNT) programs. As usual, the lion's share of funding — $927.8 million — would go to the ...
Monday, May 18
National Space Symposium 2010
Eugene And, of course, it covers the GPS satellite constellation. The event offers workshops, forums, panels and presentations.. It includes extensive programs for selected teachers and students, a space career fair, and an exhibit center that attracts around ...
Friday, May 15
EMAV 2009: European Micro Air Vehicle Conference
Eugene The organizers particularly encourage papers that go beyond MAV hardware, and address issues such as the collaboration of multiple mavs, applications of computer vision, and non-GPS based navigation. The event is sponsored by ASTI Institute (TU Delft) ...
Wednesday, May 13
GAO Says GPS III Launch Delay Could Drop Constellation below 24 ...
Nonetheless, in a report issued April 30 under the title, “Global Positioning System — Significant Challenges in Sustaining and Upgrading Widely Used Capabilities,” Cristina Chaplain, the GAO's director of acquisition and sourcing management and ...
GPS and the Next Solar Max: Space Weather Study Seeks GNSS Users' Help
Eugene The solar wind plays havoc with GNSS ground and space segments – destroying electrical transformers and the electronic systems on satellites. In fact, space weather is the single largest contributor to single-frequency GPS errors and also to ...
