Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > sci.physics > #540934

Re: NASA and the U.S. Air Force Test a New Ground-Based GPS

Show all headers | View raw

Sam Wormley <swormley1@gmail.com> wrote:
> NASA and the U.S. Air Force Test a New Ground-Based GPS
>> http://www.scientificamerican.com/article/nasa-and-the-u-s-air-force-test-a-new-ground-based-gps/
> 
> 
>> Locata's system resolves this issue by layering in an independent
>> network of transceivers that communicate over ground. A test last
>> year in Washington, D.C., by the U.S. Naval Observatory, the division
>> responsible for maintaining the GPS master clock, found that Locata's
>> web of signals synced up within 200 trillionths of a second, more
>> than 50 times faster than GPS. And unlike GPS, the signals are strong
>> enough to pass through walls. ?We're analogous to a Wi-Fi hotspot,?
>> explains Locata CEO and co-founder Nunzio Gambale, who has been
>> designing the system for some 20 years.
>>
>> The system most likely is a decade from the consumer market but has
>> proved successful so far in commercial partnerships, including a
>> recent deal with the nasa Langley Research Center, where the
>> technology assists tests of unmanned aircraft safety systems. Locata
>> networks also have helped assess the efficacy of vehicle
>> crash-avoidance systems at the Insurance Institute for Highway Safety
>> and have been used to monitor U.S. Air Force aircraft locations at
>> the White Sands Missile Range in New Mexico, where GPS is currently
>> jammed to simulate warfare environments.
>>
>> Ideally Locata transceivers would be integrated into all cellular
>> towers, bringing centimeter-level location accuracy to everyday
>> consumers, Gambale says. And receivers eventually will be small
>> enough to embed in smartphones and thousands of other connected
>> devices, ranging from watches to dog tags to self-driving cars. ?The
>> next-generation systems need a lot of synchronization,? he says. ?So
>> the Internet of Things, which is inevitable and coming, raises the
>> bar enormously.?
 
Receivers have been small enough to embed in smartphones and thousands
of other things for a long time now.

This is nothing more than ground based enhanced GPS which has been
around for a very long time now for niche applications but no one
has been willing to pay for wide spread deployment as there has no
general need to date for centimeter accuracy or GPS inside buildings.


-- 
Jim Pennino

Back to sci.physics | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

NASA and the U.S. Air Force Test a New Ground-Based GPS Sam Wormley <swormley1@gmail.com> - 2015-12-22 15:17 -0600
  Re: NASA and the U.S. Air Force Test a New Ground-Based GPS jimp@specsol.spam.sux.com - 2015-12-22 23:40 +0000
    Re: NASA and the U.S. Air Force Test a New Ground-Based GPS Sam Wormley <swormley1@gmail.com> - 2015-12-22 21:54 -0600
      Re: NASA and the U.S. Air Force Test a New Ground-Based GPS jimp@specsol.spam.sux.com - 2015-12-23 06:28 +0000
        Re: NASA and the U.S. Air Force Test a New Ground-Based GPS Carmine Portacio <unibox42@doubleclick.org> - 2015-12-23 14:05 +0000

csiph-web