On 2025-05-21 23:51, Billy Croan wrote:
AT&T Long Lines – A Forgotten System – Garrett Fuller https://search.app/DUbkYyR9cQwujexS7
Thanks for finding that. I remember the relay stations from when I was a kid.
I seem to recall that Sprint was involved in some of the early projects to set up microwave relay systems, that was their only business at the time.