Global Navigation Satellite Systems Engineering, Policy, and Design
There’s still time, barely, to sign up for this week’s webinar. Learn 3 key concepts for autonomous automotivery: lane level, antenna phase center offset and phase center variation.
By Inside GNSS
The previously-troubled program to build a new GPS ground control system has stayed on track for the last two and a half years and is moving along as planned, said Lt. Gen. John ‘JT’ Thompson, commander of the Air Force Space and Missile Systems Center (SMC).
By Dee Ann Divis
The antenna may qualify as the most overlooked element in high-precision positioning in automotive applications, which increasingly these days denote potentially autonomous applications. Yet it all starts there.
By Inside GNSS
Someone has updated 19th century American slang to resonate in the 21st century’s international commerce and shipping scene. A mysterious new electronic weapon has surfaced in China, spoofing GPS signals in a way that experts have never seen before.
By Inside GNSS
In a letter made public late Friday, the point person for all federal agency use of frequencies told commercial spectrum regulators his agency could not support approval of Ligado Networks’ request to use satellite frequencies for a terrestrial wireless network.
By Dee Ann Divis
Calling all automotive engineers — and anyone involved in designing or promulgating the fast-oncoming world of autonomous driving.
For driverless vehicles, current GNSS meter-level positioning accuracy still serves for lane-level detection. But hazardous misleading information poses a serious, disruptive and critical safety concern.
By Inside GNSS
Professor David Last described his life in crime during the Institute of Navigation’s GNSS+ 2012 conference. He was late coming to that line of work, he noted, having only been tapped by the police after his retirement from teaching at the University of Wales.
By Dee Ann Divis
The Defense Department urged spectrum regulators this week to reject a proposal by Virginia-based Ligado Networks to build a wireless terrestrial communication system that could, it said, interfere with GPS.
By Dee Ann Divis
The Department of Transportation (DOT) selected 11 firms to demonstrate technologies that could be used to back up the services provided by GPS should GPS signals be jammed, spoofed or unavailable.
By Dee Ann Divis
The grapevine was abuzz on Halloween with chatter that the Federal Communications Commission (FCC) might soon act on a long-pending request from Ligado Networks to use spectrum near the GPS frequencies to support terrestrial communications.
By Dee Ann Divis
The GPS III Contingency Operations Program (COps) successfully connected with the first GPS III satellite on orbit on October 21. The Air Force can now operationally command and control the powerful new GPS III satellites
By Inside GNSS
Direct georeferencing improves the efficiency and accuracy of mapping from both manned and unmanned platforms. An upcoming 2-day workshop on this topic is designed for:
By Inside GNSS
The Cyclone Global Navigation Satellite System (CYGNSS) constellation operated by the U.S. National Aeronautics and Space Administration (NASA) consists of eight miniature satellites that use GPS signals bounced off the sea surface to measure wind speeds. One after the other at 12-minute intervals, the satellites pass over tropical storms, gathering data that can be used to predict the storms’ path and their intensity.
By Inside GNSS
