68 lines
4.6 KiB
Plaintext
68 lines
4.6 KiB
Plaintext
==============================================================================
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GETTING THE BEST OUT OF MOBILE FONE REPEATERS
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This file may be reproduced in any way as long as none of the contents is
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altered or deleted.
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Written By: Bellcon
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===============================================================================
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(This file was originally written for the U.T.U. Journal, but that is now
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defunct so here it is...) In this world of highly overpaid businessmen and
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women, these people feel that they are so important to the extent that they
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need to be able to be reached 24 hours a day, no matter where they are. Not
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all of them can afford a mobile fone, and two way transcievers are quite
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expensive in themselves. A simple answer is a pager. It is small, fairly
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cheap, and anyone can reach you via a telephone line. With your assigned pager
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that you recieve from the company of your choice, you get a special phone
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number for people to call you at. If they need to reach you, they dial up your
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personal pager number and leave a 15 second message. This phone number is of
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course different from your home number. Now why is this called mobile, or
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cellular paging? In order to send your message to a person, it must first be
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processed through their equipment, and delivered over a certain frequency. No
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matter how many people are handled by different phone dial- ups, they are all
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processed through the same frequency, and then sent out individually using
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tones. A pager will recognize its encoded tones and then receive the message
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that needs to be sent. (There is also a monitor function to listen to
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everyone's messages.) Due to all this processing, a message is sometimes
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delayed 3-15 seconds before it is actually recieved by the customer. The most
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common location of cellular pagers, and cellular telephone systems for that
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matter, is between 151-153 MHz. In our locality 152.025 and 152.78 MHz seem to
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be the most widely used. Scanning for these is easy, because you will hear an
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obnoxious long beep usually followed by a worried wife telling her hubby not to
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forget the groceries. This may be all fine to hear about, but how can you use
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it? Easily, we just cut out the end effect and catch it half way through the
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process. Once you find a dial-up, you have them where you want them because if
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you find one single number, the sourounding 300 numbers do the same thing. You
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can go about finding a dial-up any way you wish, but the easiest is just to
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wait and listen until someone leaves a message telling someone to call them.
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Call the number immediately and impersonate the official of your choice asking
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them to render the last number dialed for one reason or another. Give that
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number a call and leave a message to check it out. You should hear your voice
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within a few seconds. Suppose you were listening to 152.025 MHz and someone
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said to call him right away at a certain number. You call that number and get
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the last number dialed, call that, and voila! You now have your very own call
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waiting feature located at 152.025 Mhz. If you are on the phone and have a
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scanner, set one frequency to a pager service that you have figured out. Give
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your friends an access number for when your line is busy and they can reach you
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easily. Here is an example of a working access port and frequency:
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(518)-370-9146 Rings, then you get a beep. Enter a 15 second [maximum]
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message. You hear a busy signal when your 15 seconds is up. Tune in to 152.24
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MHz. Wait a few seconds and then you will hear that paticular person's tones
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followed by your own or someone else's message. I will not directly disclose a
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friend's service dial-up, but it exists at 152.78 MHz and is in the 449 prefix.
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Pursue it further if you want. One final note, technically we are not breaking
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the law by doing this. There are no access codes being used to infiltrate any
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security systems, no breaking and entering or anything like<6B>that. Just calling
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a number and then listening to your scanner. The only possible thing I could
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see trouble in would be to violate Section 605 of the Communications Act of
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1934, which says you are not allowed to reveal intercepted conversations to
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anyone else. Of course now we are back to the beginning because this is not
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really what we would call a conversation. Enjoy the system, and call NYNEX at
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518-458-7732 for your personal northeastern region mobile-fone maps.
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-------Bellcon-------<2D>
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(c) October 5, 1986
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---------------------<2D>
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The Slipped Disk BBS 518-377-6487
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