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Mozilla Ichnaea: geo-location from cellphone towers, wifi networks, etc (github.com/mozilla)
47 points by macdhuibh on Jan 29, 2014 | hide | past | favorite | 3 comments



The Mozilla location stuff has been around for a while now, and I've contributed a fair amount of data via their MozStumbler Android application for the past two or three months. I realize it's an experiment, but there are a few problems I see with the data collection side of the project:

• All data is uploaded anonymously, so I can't download or save the raw data I've collected. This means I can't look at it except aggregated together with other users' data and fuzzed on a map Mozilla provides, I can't play with it, I can't upload it to other similar projects, etc.

• In fact, nobody can download a dump of the data because of privacy concerns for data contributors and access point operators. At best, you can consume a derivative of the data by using the location API.

• In an attempt to protect the privacy of data contributors, Mozilla "fuzzes" acquired data before displaying it on their map. Unfortunately, they've fuzzed the data to the point that I can't tell which streets I've already been on and which I haven't. (Half of the fun of this was seeing things on streets I'd never been on before.)

It's mildly tempting to fork MozStumbler and have it also upload the data I collect to a server I control, just so I have a copy of my data. (In particular, it might be fun to throw together some code for algorithmically locating cell sites and access points, just to see how well I can make it work.)


> It's mildly tempting to fork MozStumbler and have it also upload the data I collect to a server I control, just so I have a copy of my data.

You could use WiGLE's client if you want that; the client logs to a local file in addition to (optionally) uploading to the main database: https://wigle.net/


> Half of the fun of this was seeing things on streets I'd never been on before

OpenStreetMap has lots of opportunities for this kind of thing, it's one of the reasons I contribute a little.




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