wb5mmb at pobox.com
Sat Dec 1 16:16:47 CST 2012
The LORAN transmitter in Wildwood NJ is still
running from time to time so there may be some hope of sanity prevailing.
At 03:47 PM 12/1/2012, Mike O'Dell wrote:
>signal-of-opportunity positioning works for
>certain applications in certain places
>(it's also how you find non-radar-reflective "steath" aircraft)
>what it does *not* provide, however, is precision time and timing.
>it's those signals that make the cell networks work, and stock transactions
>happen in the correct order, and international backing and the like.
>they also don't always propagate into buildings very well,
>unless you like the prospect of commercial buildings having
>to register the location of all their wifi APs so it can be used
>for floor and room-accurate E911 service.
>nothing like VLF (100KHz) running a megawatt or so to
>come booming in unless you take serious measures to prevent it.
>On 11/30/12 8:09 PM, Andre Kesteloot wrote:
>>I thought you might be interested in this
>>article: <http://fxn.ws/Vb3DgS>Better than GPS?
>>New navigator uses Wi-Fi, radio signals.
>>Sent from my iPhone
>>Tacos mailing list
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