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

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Sam Wormley <swormley1@gmail.com> wrote:
> On 12/22/15 5:40 PM, jimp@specsol.spam.sux.com wrote:
>> 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.
>>
>>
> 
>   I think the jimp misses the thrust of the article.  Initially
>   Lacota will compliment GPS, but long term it may replace GPS
>   completely.
 
I think the ass hat is a total idiot that doesn't understand radio
propagation.

Line of sight for a 200 foot tall tower is a circle of about 23 miles.

How does one put up towers in every remote location, across the Atlantic
and Pacific Oceans every 23 miles to "replace GPS completely"?

 
 

-- 
Jim Pennino

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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

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