Spoofing and jamming might sound like something out of a spy novel, but they actually pose serious threats to our global ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. The presence of SA has little or no effect on the ability to use GPS for orbit ...

The Global Positioning System, or GPS, is pretty much indispensable these days. Phones, tablets, self-driving cars, and drones depend on a network of geostationary satellites high above the earth’s ...

Today, the President accepted the recommendation of the Department of Defense to end procurement of Global Positioning System (GPS) satellites that have the capability to intentionally degrade the ...

Innovative Global Navigation Satellite System (GNSS) positioning technologies harness massive vehicle-generated data to create high-resolution atmospheric delay correction maps, significantly ...

Lockheed Martin (LMT) on Thursday provided more details about a contract valued at up to $105 million by the U.S. Space Force to continue work on the Global Positioning System’s ground control ...

LOS ANGELES AIR FORCE BASE, El Segundo, Calif. — The U.S. Air Force Global Positioning System (GPS) IIF-4 satellite is ready for launch aboard a United Launch Alliance Atlas V Launch Vehicle on May 15 ...

From smartphones to cars to critical infrastructure, these early satellites power some of the most modern technologies of ...

Ford Fusion equipped with Swift Navigation Skylark Precise Positioning Service at the American Center for Mobility, Ypsilanti, Michigan. On a closed course, as soon as the driver gets behind the wheel ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...