A friend of mine recently purchased a large property out by Pittsburgh International Airport and had this building on it Very similar to the building in picture below located in a farmers field in Washington County Pa.
At first we thought it had something to do with the Airport ,but after exhaustive research we could find nothing . No utility said it was theirs either but what could it be. The family members knew nothing about it and the ancestor who owned the property had long ago passed .
Well after belonging to a FB Group about AT&T Long lines Service which I was part of in alarm industry back in the McCullough Loop days I finally figured it out after seeing similar pictures posted in that group . Unofficially these buildings are known as K-Carrier Huts or simply K- Huts and they where part of the Cold War Era AT&T Long lines communications system which consisted of Hardened Microwave Tower Sites which served as back up to a multi pair Buried Coaxial Cable which ran all across the country to provide critical phone and video communication and path for certain government Data.
While most of the AT&T Long lines History is available on line including You Tube not much can be found on these huts as some of Landlines is still classified .
Thou most of the landlines system was decommissioned in late 90s early 2000s and replaced with fiber-optics and Satellites some of it in more rural areas is still in use.
What is available to the public is that these K huts as they where known served as Amplification boosters to the Coaxial system .
When the buildings where decommissioned and sensitive equipment removed they where given to the farmers to use. Most now have started to deteriorate and nothing to see inside.
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