There are already mobile cell towers in use by AT&T et al, they're used for large events (eg: sporting events). http://en.wikipedia.org/wiki/Cell_on_wheels htt

There are already mobile cell towers in use by AT&T et al, they're used for large events (eg: sporting events). http://en.wikipedia.org/wiki/Cell_on_wheels http://en.wikipedia.org/wiki/Cell_on_wheels Differentiating between them and stingrays would be difficult, especially since the baseband chips in your phone are proprietary technology that can lie to the host OS (iOS, Android, etc). However there are already projects for real-time mapping of cell towers on a national basis, which is a good start, but they will always be a step behind the US Government (for example). Additional reading: http://en.wikipedia.org/wiki/Mobile_cell_sites http://en.wikipedia.org/wiki/Mobile_cell_sites