Abstract: Spectrum maps, which depict the distribution of radio signal strength, offer a potential solution to alleviate the issue of spectrum scarcity by optimizing network design. Nevertheless, the ...

The NORAD Cheyenne Mountain Complex dates back to the height of the Cold War. Initially meant for defense against long-range Soviet bombers, it now provides backup and training. The self-sufficient ...

In November 2025, a claim (archived) circulated online that Elon Musk, the X owner and former adviser to U.S. President Donald Trump, shut down X's account-location feature after it revealed ...

Dozens of high-engagement accounts on X have been accused of misleading users following the roll-out of a new transparency feature that shows user locations. Users on the social network seized on ...

Stock market bulls need not be concerned that the Russell 2000 index RUT is on the brink of dropping below its 200-day moving average. This sanguine assessment may surprise you, since for decades ...

Abstract: In this paper we present a large scale, passive positioning system that can be used for approximate localization in Global Positioning System (GPS) denied/spoofed environments. This system ...