[*BCM*] GPS for Bikes
martian at MIT.EDU
Fri Feb 1 11:48:59 EST 2008
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
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
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