[*BCM*] GPS for Bikes

Eric A. Stratton estratton.apple at gmail.com
Fri Feb 1 11:55:43 EST 2008


Imagine the havoc this would cause when you even park your bike though.

-E

On Feb 1, 2008, at 11:48 AM, Mars wrote:

> Radio Frequency :)
>
>> RF? please explain:  rear fender?
>
> Standard GPS (as far as I know) is a read-only service, meaning a  
> device may query a satellite for it's own location, but no data may  
> be sent TO the satellite, and the GPS protocol will only send to  
> your device it's own location, not a list of locations.
>
> For GPS to work, the satellite would need to be redesigned to not  
> send the querying device it's own location, but a list of locations  
> of other devices near the querying device.
>
> With RF, one could simply create a device similar to an http://en.wikipedia.org/wiki/RFID
>
> A vehicle could simply scan the frequency X for signal, and assuming  
> each bicycle's transmitter would only go 100 feet or so (which would  
> be allowed by the FCC), the car could signal an alert whenever a  
> signal is found.
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