Three different databases for gsm celltower locations

[Onen]

Timo Juhani Lindfors wrote:
> Onen <onen.om at free.fr> writes:
>> A reason why BT may still last over WiFi may be the power needed to
>> have BT on in comparison of WiFi, don't you think?
> 
> What about digital radio broadcasting stations or RDS information from
> regular radios?
> 

These are very interesting ideas!

I have no idea how this all works, what is the coverage of a 
broadcasting antenna, and if this is possible to differentiate them 
through the received signal.

Plus we would need a working USB radio receiver.

Onen