Editing Whirlwind I (section)

==Air defense networks==
After connection to the experimental Microwave Early Warning (MEW) radar at [[Hanscom Field]] using Jack Harrington's equipment and commercial phone lines,<ref>{{Cite book |format=Google Books |author-last=Jacobs |author-first=John F. |year=1986 |title=The SAGE Air Defense System: A Personal History |url=https://books.google.com/books?id=HDMhAQAAIAAJ&q=whirlwind |publisher=MITRE Corporation |access-date=2013-08-12}}</ref> aircraft were tracked by Whirlwind I.<ref>{{Cite report |author-last1=Lemnios |author-first1=William Z. |author-last2=Grometstein |author-first2=Alan A. |title=Overview of the Lincoln Laboratory Ballistic Missile Defense Program |url=http://www.ll.mit.edu/publications/journal/pdf/vol13_no1/13_1overview.pdf |page=10 |access-date=2012-12-31}}</ref>  The [[Cape Cod System]] subsequently demonstrated computerized [[air defence]] covering southern [[New England]].{{Specify|did this use a Whirlwind I?|date=December 2012}} Signals from three long range (AN/FPS-3) radars, eleven gap-filler radars, and three height-finding radars were transmitted over [[telephone line]]s to the Whirlwind I computer in [[Cambridge, Massachusetts]]. The Whirlwind II design for a larger and faster machine (never completed) was the basis for the [[Semi-Automatic Ground Environment|SAGE]] air defense system IBM [[AN/FSQ-7 Combat Direction Central]].