[aprssig] Google APRS
matthewa at bcwireless.net
Thu Feb 5 10:27:22 CST 2009
Found some information about Skyhook Wireless, a company that's conducted network surveys over Canada and the United States for a
while. With a database of ~16 million (at least) wireless access points they're able to crossreference your 802.11 bssid to the
lat/lng their survey saw your AP at.
The demo loki script (which uses Skyhook) I put up at www.bcwireless.net/foo/foo.php certainly knew where I was (a few feet from my
> -----Original Message-----
> From: aprssig-bounces at tapr.org
> [mailto:aprssig-bounces at tapr.org] On Behalf Of Arno Verhoeven
> Sent: Thursday, February 05, 2009 9:22 AM
> To: TAPR APRS Mailing List
> Subject: Re: [aprssig] Google APRS
> Dave Baxter wrote the following on 2009-02-05 13:02:
> > Also, most GSM cellular systems can aproximate by
> triangulation (with
> > signal strength, and timing) a handsets physical location
> if needed,
> > with no need for a GPS receiver. The results can be
> scarily accurate,
> > where there are several cell sites that can "hear" the 'phone OK.
> > Something CSI had right!
> For who's interested. This is a link to a flash movie about
> GSM mobile position methods.
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