Two Letters Re: Cell Phone E-911 Tracking
I’m an engineer working on E911 systems and I’d like to correct this whole post. I’ve included some references so all your readers can peer review. > #1 The chip does not function unless you either… Incorrect. The requirements typically state for Public Safety and in support of local laws, the mobile station (cell phone) has to handle all network requests for location. > #2 Its not real GPS. There are two separate systems that can be hybridized together. First is the network based system described above that works great in urban areas with lots of compatible cell towers. It …