Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!ub!ubvmsd.cc.buffalo.edu!v118hj3d From: v118hj3d@ubvmsd.cc.buffalo.edu (Anthony M Petro) Newsgroups: sci.electronics Subject: Re: Detecting Radar Detectors Message-ID: <32927@eerie.acsu.Buffalo.EDU> Date: 16 Aug 90 15:12:39 GMT References: <324@bally.Bally.COM> <229@dynasys.UUCP> Sender: news@acsu.Buffalo.EDU Reply-To: v118hj3d@ubvmsd.cc.buffalo.edu Distribution: usa Organization: University at Buffalo Lines: 45 Nntp-Posting-Host: ubvmsd.cc.buffalo.edu News-Software: VAX/VMS VNEWS 1.3-4.2 In article , adam@chaos.cs.brandeis.edu (The invertebrate punster, so slug me.) writes... >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 on the light-based thread: rumor has it that NYS troopers have been using a laser-based system with some high-performance sport-type car (not the usual heavy souped-up cop sedan) to snag folks on the NYS Thruway. traditionally, though, everyone on that road drives like a bat out of hell. of course, if this it true, it would be quite undetectable by conventional method. however, according to the rumor mill, they only use' em at night on holidays (heavy traffic). no flames, please, if in fact my rumor sources are completely out of touch. tony anthony m. petro "beethoven" i can say what i want; i'm just an undergrad V118HJ3D@UBVMSD.BITNET "soon the gypsy queen in a glaze of Vaseline petro@sun.acsu.buffalo.edu will perform on guillotine; what a scene, ..!uunet!acsu.buffalo.edu!petro what a scene..."