In my blog last week, I reported on the FCC initiative requiring carriers to provide what is called the Z-axis on cellular calls to 911. For those of you who don't know, the z-axis reports altitude. Knowing this elevation, calculating the floor that a person is on in a multi-story building is possible and delivered to first responders. This blog sparked many questions, with several people wondering why this has been such a problem? Let me ex[lain . . .