Signal Characteristics of Civil GPS Jammers By Ryan H. Mitch, Ryan C. Dougherty, Mark L. Psiaki, Steven P. Powell, Brady W. O’Hanlon, Jahshan A. Bhatti, and Todd E. Humphreys GPS jamming is a...
The Galileo Test and Development Environment (GATE) in Berchtesgaden, Germany, officially opened on February 4. The system operator, IFEN GmbH of Poing, Germany, jointly with the German...
It Doesn’t Have to Be Expensive By Alison Brown, Jarrett Redd, and Mark-Anthony Hutton GNSS signal simulators can be expensive and beyond the limited budgets of many researchers. In this...
A performance assessment demonstrates the ability of a networked group of users to locate themselves and each other, navigate, and operate under adverse conditions in which an individual user would...
This week nearly all the global navigation satellite systems will push their spatial presence one or two steps further, or higher, if they perform as scheduled. Rarely if ever has there been such a...
Navigation and positioning test system supplier Spirent Communications this week introduced a software suite for the STR4500 GPS simulator, enabling users to generate their own test cases based on...
The National Oceanic and Atmospheric Administration (NOAA) announced that effective Wednesday, July 25, 2012, at 1600 UTC (10:00 AM MDT), the Space Weather Prediction Center (SWPC) will...
CAST Navigation of Tewksbury, Massachusetts introduced its SGX GPS Satellite Simulator. With its compact size — 7 × 11× 3 inches — and weighing in at just over 4 pounds, the SGX is CAST’s...
GSG-54 GNSS simulator Spectracom’s new 8-channel GPS constellation simulator, the Pendulum GSG-54, provides a wide-range of capabilities for in-line production testing of devices...
Headshot: Logan Scott By Logan Scott Disaster-preparedness plans recognize the individual’s role in his or her own survival. When storms approach, have water, food, and basic survival gear on...
The Galileo Test and Development Environment (GATE) in Berchtesgaden, Germany, officially opened on February 4. The system operator, IFEN GmbH of Poing, Germany, jointly with the German...
A Hansel and Gretel Approach to Cooperative Vehicle Positioning By Scott Stephenson, Xiaolin Meng, Terry Moore, Anthony Baxendale, and Tim Edwards MEET GEORGE JETSON. Those of us of a certain age...
Downtown Seattle, a typical test-case environment. Multi-Constellations Working in a Dense Urban Future GNSS receivers in cell phones will soon support four or more satellite constellations and...
In GPS World’s annual Simulator Buyers Guide, we feature simulator tools, devices, and software from six prominent companies. Also available as a downloadable PDF. CAST Navigation CAST-SGX GPS...
A newly published white paper by Loctronix Corporation presents preliminary test results of its Interference Detection System (IDS), which included capturing two separate incidents of intentional...
We appear incompletely before you this month. A funny thing happened on the way to the presses: we discovered that we had more content than pages in which to squeeze it. “All the news that fits to...
Figure 1. Overall system architecture for MUSTER: Multi-platform signal and trajectory estimation receiver. More Receiver Nodes Bring Ubiquitous Navigation Closer Encouraging results from new indoor...
photo: GPS World Racelogic’s latest update to the LabSat 3 simulator allows the use of 128-Gbyte SD cards, giving up to nine hours of high-quality RF recording. Also included in the update...
Automotive and consumer technology teams in Detroit and Silicon Valley remain hard at work preparing to kick-off the New Year with new technology at two of the nation’s biggest showcases of...
Experts representing the Galileo Program provided a frank and open update on how it is addressing the problem of the first two full operational capability (FOC) satellites being delivered to the...
Mobile phone jammer Prince Rupert , mobile phone jammer working principle
Since 2006Mobile phone jammer Prince Rupert,mobile phone jammer working principle,By Jenna R. Tong, Robert J. Watson, and Cathryn N. Mitchell, University of Bath Using signal-to-noise measurements from a single commercial-grade L1 GPS receiver, it is possible to detect...
