My friend Craig forwarded me a link to a wonderful collection of information on AT&T’s old “long lines” infrastructure. It made me realize I’ve never told this story.

I’d seen this particular website before. I think a Slashdot story on AT&T putting up the old microwave towers for sale prompted me to do some Google searches, after which I spent a lot of time looking through this stuff.

I’ve found this map particularly interesting. I used to live in Northern Virginia near to the non-incorporated area known as Dranesville. You can see many of these routes converging at Dranesville. At the time I was intimately familiar with the phone phreaking technologies, possibly the only thing that Apple-cofounder Steve Wozniak and I have in common. Figuring out how the phone system worked was a fun challenge.
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