[OSM-talk] Sister Projects / possible data source

[John Smith]

On 8 August 2011 07:46, Richard Weait <richard at weait.com> wrote:
> As I remember it from previous discussions, wifi locations are
> somewhat transient for OSM.  Cell tower locations are likely from
> government databases are they not?

Google etc estimate location of towers by using data handsets expose.

> Given that this would be a 'complete' dataset from another source, why
> duplicate (and eventually synchronize) it with OSM, when it should be
> possible to display them together in a mash up?

If there is GPS data involved that might be more useful than the tower
estimations etc.