[at-l] camera

Jim Bullard jim.bullard at gmail.com
Thu Jun 17 10:19:27 CDT 2010

On Thu, Jun 17, 2010 at 10:57 AM, David Addleton <dfaddleton at gmail.com>wrote:

> AT&T rarely has
> service along the southern portions of the AT I generally hike.

Can someone explain to me why there isn't one backbone for cell service? Why
does one carrier have more coverage than others? If they all cover a
particular area does that mean there is a separate set of towers for each
service provider in that area? If so wouldn't it be a lot more efficient to
have one set that they all shared, sort of like the electric grid? Inquiring
minds want to know.

Jim Bullard
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