abripl wrote:

Others should not have their calls dropped no more than if a person is
calling from top of a hill or in a good position seeing different
towers. A cell phone "dialogs" with every tower in sight and ties up
only ONE channel on each.

Not so. The system designer will ensure that every cell within line of sight of
hills or other high spots is using a different set of frequencies. It is only
when the caller is in line of sight of cells relatively far away (usually 40 to
60 miles) that the call will cause conflicts.

George Patterson
I prefer Heaven for climate but Hell for company.