44 lines
2.3 KiB
Plaintext
44 lines
2.3 KiB
Plaintext
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HIGHWAY RADAR JAMMING
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Most drivers wanting to make better time on the open road will arm
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themselves with an expensive radar detector. However this device will not work
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against a gun type radar unit in which the radar signal is not present until
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the cop has you car in his sights and pull the trigger. Then it is too late to
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slow down.
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A better method is to continously jam any signal with a radar signal of your
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own. I have tested this idea with the cooperation of a local cop and found that
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his unit reads random numbers when your car approached him. It is suprisingly
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easy to make a low power radar transmitter. A nifty little semiconductor
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called a Gunn diode will generate microwaves when supplied with 5 to 10 vdc and
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enclosed in the correct size cavity (resonator). An 8 to 3 terminal regulator
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can be used to get this voltage from a car's system. However the correct
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construction and tuning of the cavity is difficult without good microwave
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measurement equipment. Police radars commonly operate on the K band at 22 ghz.
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or more often on the X band at 10.525 ghz. Most microwave intruder alarms and
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motion detectors (mounted over automatic doors in supermarkets, etc.) contain a
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Gunn type transmitter/receiver combination that transmits about 10 milliwatts
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at 10.525 ghz. These units work perfectly as jammers. If you can't get one
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locally write to Microwave Associates in Burlington, Mass. and ask for info on
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"Gunnplexers" for ham radio use. When you get the unit it may be mounted in a
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plastic box on the dash or in a weatherproof enclosure behind the plastic
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grille. Switch on the power when on the open highway. The unit will not jam
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radar to the side of behind the car so don't go speeding past the radar trap.
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An interesting phenomena you will notice is that drivers in front of you who
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are using detectors will hit their brakes as you approach large metal signs or
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bridges. Your signal is bouncing off these objects and triggering their
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detectors.
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Have fun... Ben Piper
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Typed by: Pirates of Puget Sound
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Reprinted from: TAP magazine, November 1983, Issue 88
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***THE MORGUE (xxx)xxx-xxxx***
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***THE ARMOURY(xxx)xxx-xxxx***
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CALL INFINITY'S EDGE: xxx-xxx-xxxx (300/1200 BAUD 10 MEGS)
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CRACKER JACK
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