Tag

Navigation Systems

All articles tagged with #navigation systems

technology2 years ago

Rise of GPS Attacks: Commercial Flights Vulnerable to Hackers

Commercial flights in the Middle East have been experiencing "unthinkable" GPS spoofing attacks since September, causing navigation systems to fail and planes to go off course. The spoofed GPS signals have fooled the planes' systems into thinking they are flying miles away from their actual location, with fallback navigation systems also being corrupted. OPSGROUP, an international group of pilots and flight technicians, has tracked over 50 incidents in the last five weeks and identified three new types of navigation spoofing incidents. The attacks have exposed a fundamental flaw in avionics design, as the spoofing corrupts the Inertial Reference System, a critical component for navigation. The cause and perpetrators of these attacks remain unclear, and there is currently no solution to the problem, leaving flight crews to rely on air traffic control for assistance.

science2 years ago

The Impact of Solar Eclipses on Earth's Atmosphere Explored with Amateur Radio Operators

Solar eclipses can have a temporary impact on Earth's upper atmosphere, specifically the ionosphere. The decrease in solar radiation during an eclipse leads to changes in ionization, temperature, electron density, and the formation of ionospheric anomalies. These changes can affect radio communications and navigation systems, causing disruptions in the region where the eclipse is passing. However, these effects are temporary and localized, and the ionosphere returns to its normal state after the eclipse. Solar eclipses provide an opportunity for researchers to study the ionosphere and improve our understanding of its dynamics.