Archived posting to the Leica Users Group, 2008/01/05

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Subject: [Leica] Totally OT - but not Old Tilley
From: clive.moss at gmail.com (Clive Moss)
Date: Sat Jan 5 07:16:19 2008
References: <20080104163642.46233CC8@resin17.mta.everyone.net> <82c9dd70801050544r7f2aaec7kbebd5b53f8ff0a52@mail.gmail.com> <1111480116-1199541740-cardhu_decombobulator_blackberry.rim.net-2113994132-@bxe137.bisx.prod.on.blackberry>

It uses cell tower information -unless you add a GPS receiver, or have
a built in receiver. See
http://www.blackberryinsight.com/2006/05/18/blackberry-and-gps/
for information on which Blackberrys have built in GPS.
Strictly speaking  GPS uses satellites. If your device does not use
satellites, you are using a "Location Based Service" which uses cell
tower infornation to locate you.
-- 
Clive
http://clive.moss.net/blog/



On Jan 5, 2008 8:02 AM,  <bd@bdcolenphoto.com> wrote:
> Do any of you computer/engineering whizzes -Brian? -know how the Google 
> Earth Beta for Blackberry works and why the GPS feature is consistently - 
> well, almost consistently - off by at least the advertised 1700 meters? Is 
> it triangulating on cell towers?
> Curious but severely uniformed minds want to know.
> Thanks
> B. D.

In reply to: Message from mstoesz at wyoming.com (Mike Stoesz) ([Leica] New Year House Cleaning)
Message from faneuil at gmail.com (Eric Korenman) ([Leica] New Year House Cleaning)
Message from bd at bdcolenphoto.com (bd@bdcolenphoto.com) ([Leica] Totally OT - but not Old Tilley)