Scrambling Information

The purpose of this page is to inform the user of the different types of scrambling systems, and where
they are being used in the Lane County, Oregon area. The only intent is to familiarize the serious
scanner listener with the different types of sounds emanating through their radios and who uses them.
Please do not ask for any information that would assist in defeating these systems. I will not provide
any nor do I know of any. Sample sounds below are slightly modified from their original recordings.

Phase Inversion

Phase Inversion Scrambling Sample71k Sample Wav

Rolling Phase Inversion

No Sound Available93k Sample Wav

Digital Transmission

Digital Communications Sample30k Sample Wav New Digital Communications Sample30k Sample Wav, New Digital Mode

DVP - Digital Voice Privacytm - Motorola

Digital Voice Privacy Scrambling Sample127k Sample Wav

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