Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!ogicse!mintaka!chaos!chaos!adam From: adam@chaos.cs.brandeis.edu (The invertebrate punster, so slug me.) Newsgroups: sci.electronics Subject: Re: Detecting Radar Detectors Message-ID: Date: 16 Aug 90 16:42:29 GMT References: <324@bally.Bally.COM> <229@dynasys.UUCP> <26c63bee-32e.10sci.electronics-1@vpnet.chi.il.us> Sender: @chaos.cs.brandeis.edu Organization: Bizarre Unlimited, Traveler In Elephants Lines: 24 In-Reply-To: cgordon@vpnet.chi.il.us's message of 13 Aug 90 05:55:06 GMT In article <26c63bee-32e.10sci.electronics-1@vpnet.chi.il.us> cgordon@vpnet.chi.il.us (Gordon Hlavenka) writes: >One other note here. The way radars work is that waves are bounced off of >cars and the frequency is changed depending on how fast the car is going. >The radar measures the shift and approxiamates how fast the car was going >according to how much of a shift occurred. Conceivably, you could build >a AECM unit that would detect the incoming frequency and broadcast back >some other frequency to fool the detector. Of course, you would still have >the bounced frequency mixed in, so I'm not sure how well it would work. The police are "road testing" a new type of speed reader. They are visible light based. Driver's Drawbacks To Date. o Impossible to detect electronically. o Dificult to spot. o Imopssilbe to jam. Police Drawbacks To Date. o Matte Black cars don't show up. Question on radar. Has anyone designed the stealth buick yet? adam@chaos.cs.brandeis.edu --