It looks like the community has not built apps to read the cell tower id
from the iphone yet...  but yes those datasets are a great asset...
hopefully can benefit the iphone too as per this thread...

Interesting links I came across while looking at this:

http://www.wirelessinfo.com/content/Inside-the-iPhone-field-test-mode.htm
http://opengsm.blogspot.com/

 - a

On 9/12/07, Martin May <[EMAIL PROTECTED]> wrote:
>
> On Sep 12, 2007, at 12:24 PM, Andrew Turner wrote:
>
> Depends on where you are - and like you point out with Wigle - it
> comes down to the data.
>
>
> True, it does come down to the data. Christopher started an effort to
> collect location data for GSM cells at http://gsmloc.org/, and I
> personally mapped most of the Denver area a few years back (for T-Mobile)
> using my own software. Cellspotting has a similar database, although I'm not
> sure if they have lat/long info for the cells.
>
> The nice thing about GSM cells is that they probably don't change quite as
> often as Wi-Fi hotspots, cover a larger area per cell, and are present in
> more places. The drawback is that you have to collect the data for each
> provider (maybe similar to Ian's duct-tape cell bundle ;)
>
> What, specifically, were the licensing qualms with Wigle? Multiple
> people have said something similarly vague, but nothing specific as to
> why.
>
>
> It's basically as Dan said, they only allow use on one single computer for
> one user, pretty much ruling out anything useful that is web-based. They
> offer a commercial license, but I have no idea how much they charge for it
> or what terms apply to that.
> Martin
>
> --
> Martin May
> CTO, Brightkite.com
>
> [EMAIL PROTECTED]
> T 720-299-4027
>
> On 9/11/07, Martin May <[EMAIL PROTECTED]> wrote:
>
>
> I've looked at the Wigle database about a month ago, and it seems that
> while
> the database itself is a great source for geocoded SSIDs (and more
> importantly, MAC addresses), the licensing is somewhat restrictive.
>
> With regards to the iPhone, another interesting question is whether we can
> access the API that the field test app i using to show currently visible
> cell towers with signal strength. This information could then be used,
> similarly to Wi-Fi, to geolocate the handset. Since the GSM network has
> better coverage than individual Wi-Fi networks, this could be a more
> worthwhile technique
>
>
> Depends on where you are - and like you point out with Wigle - it
> comes down to the data.
>
> What, specifically, were the licensing qualms with Wigle? Multiple
> people have said something similarly vague, but nothing specific as to
> why.
>
>
>
> Martin
>
> --
> Martin May
> CTO, Brightkite.com
>
> [EMAIL PROTECTED]
> T 720-299-4027
>
>
> On Sep 11, 2007, at 6:16 PM, Mike Liebhold wrote:
>
> There's news today that there might be something useful here for building
> iphone wifi geolocation:
> http://code.google.com/p/iphone-wireless/     it looks like
> it's possible to scan for an AP SSID:
> http://code.google.com/p/iphone-wireless/wiki/Apple80211Scan
>
> ideally, if you have a db of locations of AP SSIDs then all you have to do
> is scan and compare visible APs with known AP locations to determine your
> location.
>
> so the question remains, (aside from the skyhook/loki commercial db) what
> is
> the best source of a db of geocoded wifi AP SSIDs?   Drew, Is wifimaps.com
> the best, current source?  also, I'm wondering if anyone has had any
> recent
> experience with the wigle db?
>
>
>
>
>
> Drew from Zhrodague wrote:
>
> Do you or any of these others publish the associated datasets, eg. under
> Creative Commons or other open license? Seems there's a problem getting
> critical mass of data for such efforts...
>
>     We're releasing the wifimaps.com data under the GPL, as soon as we can
> package it into a useful format!
>
>     The next question becomes -- what format do people want their wifi
> locations in? WFS? KML? Something made-up? Again, I'm looking for some
> kinda
> help on this project, as I'm in way over my head =_)
>
>
>
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>
> --
> Andrew Turner
> [EMAIL PROTECTED]      42.2774N x 83.7611W
> http://highearthorbit.com              Ann Arbor, Michigan, USA
> Introduction to Neogeography - http://oreilly.com/catalog/neogeography
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