Long Lines Map and Information

Coordinates: 38.32571273203354, -90.52838444709778
Address: 8201 Old State Route 21 Hillsboro 63050
Paths To: St Louis CO SHIRLEY MO Richwoods Lawrenceton WATERLOO IL Festus
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More information and images: https://long-lines.net/places-routes/HillsboroMO/index.html

Major site with Echo Fox and and AUTOVON capabilities.

SITE HISTORY (MARK FOSTER'S SITE) Collapse/Expand

Hillsboro (spelled "Hillsborough" on the FCC record for the above license) is the western terminus of the L5 system originating at Lillyville, PA. The L5 system ends here and was never continued west, although an underground building was constructed outside of Kansas City. The underground is currently empty, and the microwave radio is turned down, although the site remains a major junction of fiber optic cables, and also has a 4ESS toll switch for the AT&T network. Hillsboro is also a Ground Entry Point for the Combat Ciders air/ground network in support of the National Command Authorities Airborne Command Post system. ARCHIVED FROM MARK FOSTER'S SITE

Site Documents

The_Jefferson_Republic_1964_12_03_4.pdf - 2025-03-23 03:06:57.155839

"County AT&T Facility Being Made Bigger" (The Jefferson Republic, 12/3/1964)

Hillsboro description.pdf - 2025-03-23 03:07:40.501778

Site description (3/17/2025)

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