FST-2: Difference between revisions
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The FST-2 was a very large duplex digital system using vacuum tube technology. Over 6900 vacuum tubes were used in each FST-2 requiring 21 air conditioned cabinets, 40 tons of airconditioning, 43.5 kva of prime power and usually a large new addition to the operations building. The FST-2B modification added two more cabinets but with newer solid state (transistor) technology to process coded responses from aircraft transponders. | The FST-2 was a very large duplex digital system using vacuum tube technology. Over 6900 vacuum tubes were used in each FST-2 requiring 21 air conditioned cabinets, 40 tons of airconditioning, 43.5 kva of prime power and usually a large new addition to the operations building. The FST-2B modification added two more cabinets but with newer solid state (transistor) technology to process coded responses from aircraft transponders. | ||
The FST-2 used a magnetic drum synchronized with the radar set to store target "Hits", when sufficient hits were recorded a target message was created and sent to the direction center over voice grade telephone lines. Once a target was identified, the direction center could return a request for height information and slew the radar site height finder to the correct azimuth where an operator would identify the target and transmit the target altitude to the direction center. | The FST-2 used a magnetic drum synchronized with the radar set to store target "Hits", when sufficient hits were recorded a target message was created and sent to the direction center over voice grade telephone lines. Once a target was identified, the direction center could return a request for height information and slew the radar site height-finder to the correct azimuth where an operator would identify the target and transmit the target altitude to the direction center. | ||
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Revision as of 09:24, 25 February 2018
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FST-2 - A Radar Data Coordinate Data Transmitter built by Burroughs Corporation for use in the SAGE System. The FST-2 took the analog radar data, processed and digitized it and created digital target words that were transmitted to the SAGE Direction Center. FST-2 Radar Data Coordinate Data TransmitterThe FST-2 was a very large duplex digital system using vacuum tube technology. Over 6900 vacuum tubes were used in each FST-2 requiring 21 air conditioned cabinets, 40 tons of airconditioning, 43.5 kva of prime power and usually a large new addition to the operations building. The FST-2B modification added two more cabinets but with newer solid state (transistor) technology to process coded responses from aircraft transponders. The FST-2 used a magnetic drum synchronized with the radar set to store target "Hits", when sufficient hits were recorded a target message was created and sent to the direction center over voice grade telephone lines. Once a target was identified, the direction center could return a request for height information and slew the radar site height-finder to the correct azimuth where an operator would identify the target and transmit the target altitude to the direction center.
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