44 lines
2.3 KiB
Plaintext
44 lines
2.3 KiB
Plaintext
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=-=-=-=-=-=-=-=-=-=-=-=-=
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= HIGHWAY RADAR JAMMING =
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=-=-=-=-=-=-=-=-=-=-=-=-=
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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
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work against a gun type radar unit in which the radar signal is not present
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until the cop has you car in his sights and pull the trigger. Then it is too
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late to slow down.
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A better method is to continously jam any signal with a radar signal
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of your own. I have tested this idea with the cooperation of a local cop and
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found that his unit reads random numbers when your car approached him. It is
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suprisingly easy to make a low power radar transmitter. A nifty little
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semiconductor called a Gunn diode will generate microwaves when supplied
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with 5 to 10 vdc and enclosed in the correct size cavity (resonator). An 8
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to 3 terminal regulator can be used to get this voltage from a car's system.
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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
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ghz. or more often on the X band at 10.525 ghz. Most microwave intruder
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alarms and motion detectors (mounted over automatic doors in supermarkets,
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etc.) contain a Gunn type transmitter/receiver combination that transmits
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about 10 milliwatts at 10.525 ghz.
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These units work perfectly as jammers. If you can't get any locally
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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
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in a plastic box on the dash or in a weatherproof enclosure behind the
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plastic grille. Switch on the power when on the open highway. The unit
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will not jam radar to the side of behind the car so don't go speeding past
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the radar trap. An interesting phenomena you will notice is that drivers in
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front of you who are using detectors will hit their brakes as you approach
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large metal signs or bridges. Your signal is bouncing off these objects
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and triggering their detectors.
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Have fun... Ben Piper
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Typed by: Pirates of Puget Sound
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Written by: TAP magazine
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Call The Canadian Amiga Connection 416-283-5027.
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