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Old 04-07-2008, 10:26 PM
clifto
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Default Re: simple GPS lat/lon display?

Richard B. Gilbert wrote:
> clifto wrote:
>> News wrote:
>>>clifto wrote:
>>>>Kurt wrote:
>>>>>"Richard B. Gilbert" <rgilbert88@comcast.net> wrote:
>>>>>
>>>>>>GPS, or at least the civilian version of it, is only accurate to within
>>>>>>about 300 feet or 100 meters.
>>>>>
>>>>>It's been changed for a few years, now more like 15 meters. Clinton was
>>>>>the one that changed that.
>>>>
>>>>http://www.navcen.uscg.gov/faq/gpsfaq.htm#Standard
>>>>
>>>>SPS provides accuracy's of (for position, the accuracy with respect to
>>>>geographic, or geodetic coordinates of the Earth) within:
>>>>100 meters (2 drms) horizontal 156 meters (2 Sigma) vertical 300 meters
>>>>(99.99% prob.) horizontal 340 nanoseconds time (95% prob.)
>>>
>>>"What is the status of Selective Availability (SA)?

>>
>> What does SA have to do with the 2008 accuracy specification I posted?

>
> IIRC, SA encrypted the low order bits in order to prevent GPS being used
> for weapons targeting and other anti-social behavior.


That's true, but Clinton shut it off in 2001 and it hasn't been a problem
for nearly seven years now.

--
$109,000,000 in income! Capitalism works GREAT for Billary...
...why does she want Marxism for us?

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