Last Fall I was driving around taking pictures of mobster graves and sites associated with organized crime history in Pittsburgh when I spotted an old microwave tower on a hilltop. It was breaking the horizon in an otherwise ordinary suburban landscape. Nearby, as is common with many first- and second-generation microwave towers building in the late 1940s and early 1950s, there were radio and television broadcast towers and cellphone towers.
I have long had an interest in the history of telecommunications history infrastructure: towers and antenna sites. The old microwave tower in Pittsburgh’s North Hills was easily recognizable from a distance as a type built by AT&T during the company’s first microwave network buildout. Towers like these were built on hilltops and mountainsides throughout the United States to create a line-of-sight antenna network carrying voice, television, and data at the speed of light. Continue reading