GPS
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ESA plans to use its upcoming Lunar Pathfinder mission to experiment with expanding sat nav coverage to the Moon. By tuning in to the Galileo and GPS satellite constellations, the goal is to provide more precise fixes for spacecraft in lunar orbit.
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GPS doesn't work underwater, which means that keeping track of a submersible's whereabouts can be difficult. A new ROV (remotely operated vehicle) still manages to show up on Google Maps, however – plus it has a cool rotating head.
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A new prototype Companion Collar smart collar is being developed by the CSIRO's digital specialist arm, Data61, and agtech company Ceres Tag that will allow pet owners to track their animal across both long and short distances.
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MIT scientists have developed an acoustic system that acts like an underwater GPS, yet doesn't need batteries to operate. The system is instead powered by modulated audio signals reflected from the environment to provide net-zero energy positioning info.
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China has reached an enormous milestone with the successful testing and commissioning of the 55th and final satellite in its BeiDou-3 global positioning system, a competitor to the American GPS system with the capability to send short messages.
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The Global Position System (GPS) has turned 25 years old. Operated by the US Space Force, the constellation of navigational satellites went fully operational on April 27, 1995, though US Space Command made the formal announcement in July of that year.
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In-car satnav systems and mobile mapping apps have made it much easier to travel from one place to another without getting lost, but a new innovation promises to help fix a remaining pain point – getting in the right lane at intersections.
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Europe's Galileo satellite navigation system can now not only receive, relay, and locate distress beacon signals, it can also respond to the SOS, sending back reassurances to those awaiting rescue in as little as 30 minutes.
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When NASA's first manned Artemis mission lifts off, the astronauts aboard will be equipped with second-gen GPS emergency beacons that provide a faster and more accurate locator fix for rescue services. The technology will be available to the public in a few years.
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ScienceA team of researchers led by the University of Helsinki has used new miniaturized GPS tags to keep tabs on desert bats as they fly about in Kenya.
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Commercial aircraft are already guided in for automatic landings at large airports, as their autopilot follows radio signals transmitted by ground-based antennas. Such auto-landings currently aren't possible at small airports, although that could be about to change, thanks to a new system.
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If your dog has ever taken off on you, then you'll know the frustration of trying to figure out where they've gone. And while there are already pet-tracking devices, they definitely have some shortcomings. The Findster Duo+ system takes a unique approach to getting around those limitations.
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