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- Uploaded by Ninja Master
-
- WIRE TAPPING
-
- HERE IS SOME INFO ON PHONE TAPS. I HAVE ENCLOSED A SCHEMATIC FOR
- A SIMPLE WIRETAP AND INSTRUCTIONS FOR HOOKING UP A TAPE RECORDER
- CONTROL RELAY TO THE PHONE LINE.
-
- FIRST I'LL DISCUSS TAPS A LITTLE. THERE ARE MANY DIFFERENT TYPES
- OF TAPS. THERE ARE TRANSMITTERS, WIRED TAPS, AND INDUCTION TAPS
- TO NAME A FEW. WIRED AND WIRELESS TRANSMITTERS MUST BE
- PHYSICALLY CONNECTED TO THE LINE BEFORE THEY'LL DO ANY GOOD.
-
- ONCE A WIRELESS TAP IS CONNECTED TO THE LINE, IT CAN TRANSMIT ALL
- CONVERSATIONS OVER A LIMITED RANGE. THE PHONES IN THE HOUSE CAN
- EVEN BE MODIFIED TO PICK UP CONVERSATION IN THE ROOM AND TRANSMIT
- THEM TOO! THESE TAPS ARE USUALLY POWERED OFF THE PHONE LINE, BUT
- CAN HAVE AN EXTERNAL POWER SOURCE.
-
- WIRED TAPS, ON THE OTHER HAND, NEED NO POWER SOURCE, BUT A WIRE
- MUST BE RUN FROM THE LINE TO THE LISTENER OR TO A TRANSMITTER.
- THERE ARE OBVIOUS ADVANTAGES OF WIRELESS TAPS OVER WIRED ONES.
- THERE IS ONE TYPE OF WIRELESS TAP THAT LOOKS LIKE A NORMAL
- TELEPHONE MIKE. ALL YOU HAVE TO DO IS REPLACE THE ORIGINAL MIKE
- WITH THIS AND IT'LL TRANSMIT ALL CONVERSATIONS!
-
- THERE IS AN EXOTIC TYPE OF WIRED TAP KNOWN AS THE 'INFINITY
- TRANSMITTER' OR 'HARMONICA BUG'. IN ORDER TO HOOK UP ONE OF
- THESE, YOU NEED ACCESS TO THE TARGET TELEPHONE. IT HAS A TONE
- DECODER AND SWITCH INSIDE. WHEN IT IS INSTALLED, SOMEONE CALLS
- THE TAPPED PHONE AND *BEFORE* IT RINGS, BLOWS A WHISTLE OVER THE
- LINE. THE X-MITTER RECEIVES THE TONE AND PICKS UP THE PHONE VIA A
- RELAY. THE MIKE ON THE PHONE IS ACTIVATED SO THE CALLER CAN HEAR
- ALL CONVERSATIONS IN THE ROOM.
-
- THERE IS A SWEEP TONE TEST AT 555BBUG-1111 WHICH CAN BE USED TO
- DETECT ONE OF THESE TAPS. IF ONE OF THESE IS ON YOUR LINE AND
- THE TEST # SENDS THE CORRECT TONE, YOU'LL HEAR A CLICK.
-
- INDUCTION TAPS HAVE ONE BIG ADVANTAGE OVER TAPS THAT MUST BE
- PHYSICALLY WIRED TO THE PHONE. THEY DON'T HAVE TO BE TOUCHING
- THE PHONE IN ORDER TO PICK UP THE CONVERSATION. THEY WORK ON THE
- SAME PRINCIPLE AS THE LITTLE SUCTION-CUP TAPE RECORDER MIKES YOU
- CAN GET A RADIO SHACK. INDUCTION MIKES CAN BE HOOKED UP TO A
- TRANSMITTER OR BE WIRED.
-
- HERE IS AN EXAMPLE OF INDUSTRIAL ESPIONAGE USING THE PHONE:
-
- A SALESMAN WALKS INTO AN OFFICE AND MAKES A FONE CALL. HE FAKES
- THE CONVERSATION, BUT WHEN HE HANGS UP HE SLIPS SOME FOAM-RUBBER
- CUBES UNDER THE HANDSET, SO THE FONE IS STILL OF THE HOOK. THE
- CALLED PARTY CAN STILL HEAR ALL CONVERSATIONS IN THE ROOM. WHEN
- SOMEONE PICKS UP THE FONE, THE CUBES FALL AWAY UNNOTICED.
-
- I USE A TAP ON MY LINE TO MONITOR WHAT AE-PRO IS DOING WHEN IT
- AUTO-DIALS, SINCE IT DOESN'T TAKE ADVANTAGE OF THE HANDSET ON THE
- APPLE CAT II. I CAN ALSO HOOK UP THE TAP TO A CASSETTE RECORDER
- OR AMPLIFIER. HERE IS THE SCHEMATIC:
-
- ------->!----->!<------------->
- >!<
- CAP ^ >!<
- >!<
- >!<
- >!<
- ^^^^^--->!<------------->
- ^ 100K
- !
- !<INPUT
-
- THE 100K POT IS USED FOR VOLUME. IT SHOULD BE ON ITS HIGHEST
- (LEAST RESISTANCE) SETTING IF YOU HOOK A SPEAKER ACROSS THE
- OUTPUT, BUT IT SHOULD BE SET ON ITS HIGHEST RESISTANCE FOR A TAPE
- RECORDER OR AMPLIFIER. YOU MAY FIND IT NECESSARY TO ADD ANOTHER
- 10-40K. THE CAPACITOR SHOULD BE AROUND .47 MFD. IT'S ONLY
- PURPOSE IS TO PREVENT THE RELAY IN THE CO FROM TRIPPING AND
- THINKING YOU HAVE THE PHONE OFF THE HOOK. THE AUDIO OUTPUT
- TRANSFORMER AVAILABLE AT REDIO SHACK (273-1380) IS FINE FOR THE
- X-FORMER. THE BLACK AND GREEN ARE FINE FOR INPUT AND THE RED AND
- WHITE GO TO THE OUTPUT DEVICE. YOU MAY WANT TO EXPERIMENT WITH
- THE X-FORMER FOR THE BEST OUTPUT.
-
- HOOKING UP A TAPE RECORDER CONTROL RELAY IS EASY. JUST ONE OF
- THE FONE WIRES (USU. RED) BEFORE THE TELEPHONES AND HOOK ONE END
- TO ONE WIRE OF THE RELAY AND THE OTHER END TO THE OTHER RELAY
- WIRE. LIKE THIS:
-
- -------^^^^^^^^^------------
- ---------
- RELAY^^
- ee