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GALLERY
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North American RADAR Networks
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Balistic Missile Early Warning System (BMEWS)

Distant Early Warning (DEW) Line

Mid Canada Line (MCL), also known as the McGill Fence

Pine Tree Line



Distant Early Warning Line, DEW LINE

This 30 minute film documents the construction of the radar defense network above the 
Arctic Circle, known as DEW LINE, by the Bell System and Western Electric Company.

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Detection
Long Range Search RADAR, note Height Finder to left
Texas Tower
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RADAR Picket Ship, USS William M. Wood DD-715
Gap Filler RADAR
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AWACS EC-121
AWACS EC-121-L
 
 
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** Some of the following text was copied/stolen from www.radomes.org/  Many thanks to George D. Pell, geopell@hevanet.com, for pointing this out to us. **
AN/FST-2, RADAR Data Processor/Network System.
The AN/FST-2, Radar Data Processor/Network System, developed by the Burroughs Corporation, took raw analog radar data, along with operator overlaid masking (editing), digitized it, and placed it on voice grade toll telephone lines.

The system was redundant, a "hot standby," with two independent systems running at the same time, with the active system transmitting data to the direction center and controlling the height finder radars.

The PPI (plan position indicators) for the main sweep. There were two more behind the curtain in the "Blue Room," which were used for clutter mapping, where they blocked the video by drawing on the crt with a black grease pencil. 
 

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SAGE AN/FST-2 System
AN/FST-2 RADAR Data Processor Layout
The AN/FST-2 used about 8000 vacuum tubes in three bays of racks. The system would process the raw radar data, antenna position information, and IFF data, and send it over voice grade toll phone lines to the SAGE Direction Center, where it was processed and displayed by the AN/FSQ-7 main computer.
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AN/FST-2 RADAR Data Processor Racks
____RADAR Data Overlay Video Mapper ______B-Scope
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Communications.
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Troposcatter
DEW Line RADAR Site
Located above the Arctic Circle at Point Lay, Ak (population 247). Comm. link is by a White Alice Communications System (WACS), troposcatter installation. (left) This site is designated a Long Range Radar Station (LRRS).  link
SAGE used Troposcatter relay sites like this in Buckingham County, VA
Note: Tropo reflectors are hardened concrete with infrastructure several stories underground. Gamma ray detectors mounted to outside structures. link
The Troposcatter Page
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Air Movements Identification Service (AMIS)

AMIS is responsible for sending data on flight plans, weapons status, weather, and aircraft tracks to the Direction and Combat Centers over teletype and voice grade telephone circuits.

Similarly, data from the Direction and Combat Centers is transmitted in digitally coded form over voice grade telephone circuits to ground-to-air data links to weapons bases, adjacent Direction and Combat Centers, and to all appreciate command levels. 

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The Defense Command
Direction/Combat Center
Combat Command
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The Bad Guys
Soviet Tu-95 Bear Strategic Bomber
Soviet Tu-16 Badger Strategic Bomber
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.   The Interceptors .
F-86D Sabre
F-89 Scorpion
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F-94 Star Fire
F-100 Super Sabre
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F-101 Voodoo
F-102 Delta Dager
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F-104 Starfighter
F-106 Delta Dart
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U.S. Army Nike Hercules Anti Aircraft Missile
USAF Bomarc Anti Aircraft Missile
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