However, many pilots in older aircraft have to rely on other means of navigation or want to have a backup unit if their electrical system quits. A portable GPS unit could offer you peace of mind ...

The best GPS units offer reliable navigation in even the most off-the-beaten-track areas, including topographical and off-road-specific maps, the ability to mark customizable rout ...

We earn commissions from purchases you make using links in our articles. Learn more. For many, the name Garmin is synonymous with portable GPS navigation systems. It felt like every other car had a ...

The network of satellites and incredibly sophisticated mobile technologies that power GPS navigation ... portable. Perhaps the most notable development during this period, however, was the system ...

Australian company Q-CTRL has demonstrated its own secure quantum navigation system, that can work independently of GPS. It is noted that the system, called «Ironstone Opal», cannot be jammed and is ...

Maxar Intelligence developed software that enables an autonomous system to navigate ... software without GPS. WASHINGTON — Maxar Intelligence developed a visual-based navigation technology ...

GPS and other satellite navigation systems reset their own clocks by touching ... by John Harrison when he was developing his portable marine clock in the 18th Century. Mr Harrison had to build ...

The global civilian airspace relies upon this system. Given the ease of jamming and spoofing GPS, it is critical to have a global supplementary navigation system that works with inertial systems ...