Is it possibly AT&T's old network? https://99percentinvisible.org/article/vintage-skynet-atts-abandoned-long-li... http://long-lines.net/places-routes/ This network runs through our service territory, too. The horns are distinctive. Frank -----Original Message----- From: NANOG <nanog-bounces@nanog.org> On Behalf Of Miles Fidelman Sent: Saturday, July 14, 2018 9:54 AM To: nanog@nanog.org Subject: (perhaps off topic, but) Microwave Towers Hi Folks, 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. Struck me as somewhat interesting. It also struck me that folks here might have some comments. Miles Fidelman -- In theory, there is no difference between theory and practice. In practice, there is. .... Yogi Berra