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Detect bugs on household phones
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BUG DETECTION ON HOME PHONES
(COURTESY OF DR JIMMY AND MR JIM)
(Uploaded by Ninja Master)
FIRST OF ALL TO TEST FOR BUGS, YOU NEED A VOM (MULTIMETER) THE
HIGHER THE IMPEDANCE THE BETTER (A DIGITAL WITH FET CIRCUITRY OR
A VACUUM TUBE VOLT METER IS THE BEST).
FIRST DISCONNECT THE PHONE LINE(S) AT BOTH ENDS. UNDO THE PHONE
INSTRUMENT AND HOOK IT UP TO THE ENTRY POINT OF THE PHONE LINE
FROM THE OUTSIDE WORLD (MA BELL DOES NOT LIKE YOU CUT HER OFF
COMPLETELY.) THE SCHEME IS THE PHYSICALLY ISOLATE YOUR HOUSE,
APARTMENT, ETC. FROM THE OUTSIDE WORLD. BUT BEFORE YOU DO THIS
MEASURE THE LINE VOLTAGE (IT SHOULD BE APPROXIMATELY 48 VOLTS).
NOW WITH THE WIRES DISCONNECTED AT BOTH ENDS, SET YOUR RESISTANCE
SCALE TO A HIGH READING AND MEASURE THE RESISTANCE OF THE PHONE
LINE, IT SHOULD BE VERY HIGH ON THE ORDER OF MILLION OHMS OR
MORE, THIS IS THE NORMAL CONDITION, SINCE YOU ARE MEASURING THE
RESISTANCE OF AN OPEN CIRCUIT. IF IT IS MUCH LESS, SAY
50-100KOHMS THEN YOU A DEVICE ON THE LINE THAT DOES NOT BELONG
THERE, PROBABLY A PARALLEL BUG.
NOW TWIST THE END OF THE DISCONNECTED WIRE AND GO TO THE OTHER
END AND MEASURE THE RESISTANCE OF THIS. THIS RESISTANCE SHOULD
BE ABOUT ONE OHM OR TWO AT THE MOST IN A BIG HOUSE WITH A LOT OF
PHONES. IF IT IS MORE, THEN YOU PROBABLY HAVE A SERIES BUG.
IF IN THE FIRST CASE, TAKING PARALLEL MEASUREMENTS USING A METER
(NOT LEDLLCD) AND YOU NOTICE A "KICK" IN THE NEEDLE, YOU PROBABLY
HAVE A LINE TAP.
NOW IF YOU ALSO MAKE A MEASUREMENT WITH THE WIRE END TWISTED
TOGETHER AND YOU NOTICE THE RESISTANCE READS ABOUT 1-2KOHMS, THEN
YOU MAY HAVE A DROP-OUT RELAY. A DROP-OUT RELAY IS A RELAY THAT
SENSES A PHONE GOING OFF HOOK, AND SIGNALS A TAPE RECORDER TO
START RECORDING.
ANOTHER TEST TO DO WITH THE PHONES STILL HOOKED UP TO THE OUTSIDE
WORLD, ON HOOK VOLTAGE IS ABOUT 48 VOLTS AND OFF HOOK IS ABOUT
6-10 VOLTS. ANY OTHER CONDITIONS MAY MEAN TELEPHONE
SURVEILLANCE.
IF YOU USE A WIDE RANGE AUDIO FREQUENCY GENERATOR AND CALL YOUR
HOUSE, APARTMENT, ETC. FROM ANOTHER PHONE AND SWEEP UP AND DOWN
THE SPECTRUM, AND YOU NOTICE THE PHONE ANSWERS ITSELF SOMEWHERE
IN THE SWEEP YOU PROBABLY HAVE AN INFINITY TRANSMITTER ON YOUR
LINE.
THE ABOVE INFORMATION TELLS NOTHING BUT TELCO TAPS AT THE CENTRAL
OFFICE, OR ANYWHERE ELSE ALONG THE LINE, BUT THIS INFORMATION MAY
TELL YOU THAT YOUR WIFE, GIRLFRIEND (BOYFRIEND), OR BUSINESS
ASSOCIATE MAY BE MONITORING YOUR PHONE ACTIVITIES.
AN INFINITY TRANSMITTER, IS A NEAT DEVICE. IT ALLOWS YOU TO CALL
THE BUGGED PLACE AND IT SHUTS OFF THE RINGER AND DEFEATS THE
SWITCHHOOK, SO THE MOUTH PIECE MOT BECOMES A ROOM BUG. IT WAS
ORIGINALLY SOLD FROM THE TRAVELLING BUSINESS MAN TO MAKE SURE HIS
WIFE WAS SAFE AT HOME NOT BEING ATTACKED (OR FUCKING HER
BOYFRIEND BEHIND HIS BACK).
ee
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