Re: (perhaps off topic, but) Microwave Towers

[Brian Kantor <Brian () ampr org>]

> > I find myself driving down Route 66.  On our way through Arizona, I was surprised by what look like a lot of 
> > old-style microwave links.  They pretty much follow the East-West rail line - where I'd expect there's a lot of 
> > fiber buried.

Could they be a legacy of the Southern Pacific Railroad Internal Network Telecommunications,
now known under the acronym SPRINT?
        - Brian