[Community] Wifi, Modem and GPS

Sven Dyroff S.Dyroff at phytec.de
Tue Jul 15 11:02:49 CEST 2014

Hello Nikolaus,

> And it is questionable if this "feature" would reveal additional 
information to someone
> trying to observe you.

I wasn't aware of the precision of location determination of 2G/3G that 
Sebastian mentioned:

> Keep in mind that connected modem has already a way to determine
> location, often with much better precision than GPS. The external GPS
> module has only one privacy-oriented benefit: ability to use it when
> GSM modem is completely turned off.

So the only way to keep privacy would be to drive an own free and open 
network of basestations. AFAIK the Netherlands already have such one. And 
in Germany it currently seems that a whole network could become free for 

> Well, to be honest, the poor MH370 system should have had a telemetry 
> to permanently report the real GPS location (avoiding the triangulation 
by Inmarsat
> data that was never designed to be used this way - and just fortunate 
that it was
> logged at all).

Sorry Nikolaus, but do you really share the opinion that the security of 
*public* airplanes should be dependent on the way how *private* mobiles 

Best regards

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