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cop radar

Submariner .Submariner . Member Posts: 165 ✭✭✭
edited April 2002 in General Discussion
any of you leo's use a python series two?got me a ticket today in indiana for excessivre fuel consumption.i was the third vehicle in line and the first one had just passed me and the trooper told me he could track three vehicles at a time with this radar gun.does the machine tell him which is which?does it tell him vehicle one is going 75 and vehicle 2 is doing 72 or does the operator have to determine who he THINKS is doing what??
Truck Driver,Submarine Veteran,Rusty Wallace fan,and piss poor typist E-MAIL WNUNLEY@USIT.NET
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Comments

  • LightningLightning Member Posts: 945 ✭✭✭✭
    edited November -1
    I am not a LEO but I am in the repair business and have certified several radars. Everyone I have ever seen registers the fastest vehicle and it is up to the operator to determine which one it is.
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  • Big Sky RedneckBig Sky Redneck Member Posts: 19,752 ✭✭✭
    edited November -1
    Sure you wasnt in Ohio Walt? Sounds like a buckeye cop saying, you are the biggest target, had to be you!
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  • UNIVERSITY50UNIVERSITY50 Member Posts: 1,705 ✭✭✭✭✭
    edited November -1
    not sure of the brand and model neighboring dept. uses, but it is a laser and can switch and track 3 vehicles at once. you must kept moving the laser from one vehicle to the next in the same order, operator picks the order when first setting the tracking.
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  • mudgemudge Member Posts: 4,225 ✭✭
    edited November -1
    Speaking of radar. What I'm going to invent is not a better detector. Not a jammer. I'm going to invent a radar destroyer. Here's the way it works: It sits quietly in your vehicle until it's activated by a radar scan. It then produces such a powerful electromagnetic pulse that it overloads the unit originating the radar beam. All the LEO would get would be a puff of smoke when his unit melts. Now...for the laser units...Maybe a mirror with a gadget that would increase the power of the laser beam exponentially by 10 and cook the laser unit with its own beam.I just haven't figured out how I'm gonna' haul enough generators around to produce enough power to do either. Anybody got a semifor sale?Mudge the geniusps. As you can tell, it's kinda slow at home this morning.
    I can't come to work today. The voices said, STAY HOME AND CLEAN THE GUNS!
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  • gunnut505gunnut505 Member Posts: 10,290 ✭
    edited November -1
    Hey Mudge, yer idea would work if you can expand the freq. to past 1.3ghz and direct it accurately back to the sender....why not just employ a "tactical" (EMP) nuke?But seriously folks; the best way to avoid the LEO's attention is to drive a little more cautiously in urban terrain.
    If you know it all; you must have been listening.WEAR EAR PROTECTION!
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  • jeenyesjeenyes Member Posts: 330 ✭✭✭
    edited November -1
    Mudge, if you do, I want one or two.
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  • idsman75idsman75 Member Posts: 13,398 ✭✭✭
    edited November -1
    It's been several years since I've run radar and I don't even remember what kind of doppler guns we were using in WA. However, our radar guns would flip back and forth between three speeds if there were three cars. You could only view one speed at a time but it would rotate between the three cars and would do that when one of the cars changed speed. My guess is that the other two cars maintained a constant speed long enough while you accelerated so that he could get a lock on you. Who knows these days.
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  • instrumentofwarinstrumentofwar Member Posts: 1,545 ✭✭✭✭✭
    edited November -1
    Excessive fuel consumption? There is a ticket for such an animal? What do you do to "qualify" for this wonderful thing? I'm just suprised it wasn't in Kali.
    Some people just shouldn't be allowed to breed
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  • mudgemudge Member Posts: 4,225 ✭✭
    edited November -1
    Instrument...."excessive fuel consumption"ie. too hard on the LOUD pedal!!Boy...when ya' have to 'splain 'em. Mudge the thesaurus
    I can't come to work today. The voices said, STAY HOME AND CLEAN THE GUNS!
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  • oneshyoneshy Member Posts: 417 ✭
    edited November -1
    When you go to court to fight it, put him in the seat and ask him how he knows that the machine does this. How does it work? Get technical. Does he have his signed log that shows his pre-patrol and post-patrol calibration? Was traffic heavy at the time? How could he tell which vehicle was which? You'd be surprised how many technicalities are on your side in these cases, but they bank on the fact that most people just pay them. I don't know about the new types of radar, but I believe that some are calibrated with a tuning fork? This also has to be checked periodically.
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  • LightningLightning Member Posts: 945 ✭✭✭✭
    edited November -1
    Dont know about the newer stuff out now,but in my area all that is in use is the older equiptment and it has to be recalibrated and certified every 6 months. That is done with tuning forks. Dont forget the weather, a radar is not accurate in the rain or heavy fog.
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  • idsman75idsman75 Member Posts: 13,398 ✭✭✭
    edited November -1
    Ask him about his tuning forks and if he used them to test the accuracy of the radar gun before he started his shift. Make them dig up the records that show the last time the radar gun was inspected and calibrated by the state which also goes with the intoxilizer at the police department.
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  • ked-marked-mar Member Posts: 89 ✭✭
    edited November -1
    I have a friend that is a cop,and he asked me one night if I wanted to ride with him for a little while. We sat and watched a cross street that people were running. I saw a plate glass window at 8 miles per. I saw a stop sign(medal) at 18 miles per. I saw a old dog suffle across the streel at 24 miles per. I said I think your unit is out of cal. He checked with a tuning fork, and it was on the money. I said how can this be? He said he clocked a house, with Christmas decorations at 107 miles per. I'm sure that other cops could tell better ones than this if they wanted to. How about what happens when you turn the defroster switch to different speeds!!
    LOOK TWICE,SHOOT ONCE.
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  • Big Sky RedneckBig Sky Redneck Member Posts: 19,752 ✭✭✭
    edited November -1
    I gotta ask this, anybody ever heard of using a depthfinder for a boat to jam radar?
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  • Submariner .Submariner . Member Posts: 165 ✭✭✭
    edited November -1
    i gotta send in my motion for discovery.all the stuff about calibration and training records i know.traffic was heavy and the two vehicles in front of me were both trucks.he said he thought it was me cause when i passed him the 72 dissappeared.but for his logic to work his radar would have to have a cone that instantly spread from the anntannae and went directly lateral and could register a reading that way its a crock.he was rolling to beat all.this is on i-65 hes going north im going south so were 50yds apart when he passed me going the other way behind two other trucks.listen when they get me they get me i just dip into the ole gun fund and pay it but this is b.s.
    Truck Driver,Submarine Veteran,Rusty Wallace fan,and piss poor typist E-MAIL WNUNLEY@USIT.NET
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  • Submariner .Submariner . Member Posts: 165 ✭✭✭
    edited November -1
    mudge were you a trucker?you got the lingo down.7mm the depth finder works on sonar(sound waves)the radar works on radio waves,so i may be dead wrong but i dont see how it could affect a radar gun.
    Truck Driver,Submarine Veteran,Rusty Wallace fan,and piss poor typist E-MAIL WNUNLEY@USIT.NET
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  • mudgemudge Member Posts: 4,225 ✭✭
    edited November -1
    Submariner......in my ute....in my ute.Mudge the ex
    I can't come to work today. The voices said, STAY HOME AND CLEAN THE GUNS!
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  • SUBMARINERSUBMARINER Member Posts: 1,362 ✭✭✭✭✭
    edited November -1
    anybody else wanna weigh in on ther radar issue

    SUBMARINE SAILOR,TRUCK DRIVER,NE'ER DO WELL, INSTIGATOR,AND RUSTY WALLACE FAN
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  • SawzSawz Member Posts: 6,049
    edited November -1
    Let me guess saxon .. Wellington?
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  • Tailgunner1954Tailgunner1954 Member Posts: 7,734 ✭✭
    edited November -1
    Former LEO type I used to work with would stick the tunning fork in front of the radar unit and lock it in. Than tell the driver that was what he had clocked them at.
    Some guys like a mag full of lead, I prefer one round to the head.
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  • Shootist3006Shootist3006 Member Posts: 4,171
    edited November -1
    Mudge, use a reflex klystron tuned to the range of frequencies used locally, input the received radar gun signal, amplify the output to a couple hundred watts (I would use a surplus X or K band traveling wave tube to do this) and feed it back with a directional antenna and you will fry his receiver. Only problem is the FCC might get a bit testy about it but WHF

    Quod principi placuit legis habet vigorem.Semper Fidelis
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  • AlpineAlpine Member Posts: 15,092 ✭✭✭✭
    edited November -1
    The reason the the window and the stop sign showed up as moving was because they were vibrating. The microwaves from the radar gun send out a precise frequncey of microwaves, when they bounce off an object the frequency changes slightly. The change of frequency (also called the doppler effect) is read by the gun and computed and displayed as MPH. Some radar guns can read the ground and give speed of patrol vehicle, and also give differnatial speed of another vehicle approaching or going away.
    The biggest issue with radar guns, and this is where operator error is most apparent, is which car was the gun measuring the speed of? The car in front, with a sloping front(poor radar reflector) or the truck in back with a nice flat surface to reflect (gun takes strongest signal it recieves) signal and indicates MPH.

    Saxonpig: Locally there are several cities that have set up intersection cameras. The camera takes a picture when the lights turn red, and a private company (that owns the camera) sends you a ticket in the mail (if they can read the license plate).
    This is a direct violation of the evidence code that requires that a person testifies in court. A person, if they took the picture could testify as to what the picture shows.
    The company got around this little problem by making the tickets a civil violation and not a criminal violation. So here we are with these little cameras clicking away. My simple solution to the cities violating the evidence code is to remove the front license plate from my vehicles. No license plate no violation. And by the way, at a recent gathering of retired lawenforcement folk, the other retires said that they took off their front plates for the same reasons.
    ?The problem with socialism is that you eventually run out of other people's money.?
    Margaret Thatcher

    "There are three kinds of lies: lies, damned lies and statistics."
    Mark Twain
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