The White Alice Communications System (WACS) was a United States Air Force telecommunication network constructed in Alaska during the Cold War. It used tropospheric scatter for over-the-horizon links and microwave relay for shorter line-of-sight links. Sites were characterized by large parabolic, tropospheric scatter antennas as well as smaller microwave dishes for point to point links.
The system connected remote Air Force sites in Alaska, such as Aircraft Control and Warning (AC&W), Distant Early Warning Line (DEW Line) and Ballistic Missile Early Warning System (BMEWS), to command and control facilities and in some cases it was used for civilian phone calls. The system was advanced for its time, but became obsolete within 20 years following the advent of satellite communications.
Read more about White Alice Communications System: Historical Perspective, Construction, Operation, The End of White Alice, See Also
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