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Project 25 Technologies Discussion forum for the Project 25 Standard and its related technologies

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Old 11-02-2008, 01:42 PM
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Location: Saudi Arabia
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Question what kind of encryption ?

hello
i just want to know what kind of encryption
the first voice clip is our Fire Dept you can listing to it clearly
http://www.bof3d.com/u/files/807/150-7750.mp3
150.7750 FM

the police here :
http://www.bof3d.com/u/files/807/165-2000.mp3
165-2000 FM
you can listen but not clearly and you dont know what are they saying...
sometimes in the morning you can hear them clearly so is it antenna problem or what ?

btw all of them they use Motorola XTL 5000
and i'm using Uniden BC796D and ST2 antenna
thanks

Last edited by Sudyal; 11-02-2008 at 03:20 PM..
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Old 11-02-2008, 03:05 PM
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I couldn't get the second one to download. However, I don't hear any encryption at all in the fire dept. file. It sounds like they are using GE STAR signaling but that's it.
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Old 11-02-2008, 03:09 PM
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download it from here
thanks
Attached Files
File Type: zip 165-2000.zip (165.5 KB, 23 views)
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Old 11-02-2008, 03:25 PM
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It sounds like DTMF unit ID and simple voice inversion. Search the board for Voice Inversion and you should find some software that may be able to decode it through a sound card.
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Old 11-02-2008, 03:45 PM
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any name for these softwares ?
something u tried it ?
thanks
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