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puzzleriddle

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thanks Phil hmm now to figure what they are doing in my area :) ,. BTW was caught using your search files. use em all the time!! again thanks
 

ChrisP

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USSS Channel Bravo. Very old and very common.
They actually refer to it as BAKER. And I have heard it used for former POTUS protection after they leave office. It used to be used in Houston for the GHW Bush detail, but I haven't confirmed it lately...

- Chris
 

ecps92

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Also the Father up at Walkers Point

They actually refer to it as BAKER. And I have heard it used for former POTUS protection after they leave office. It used to be used in Houston for the GHW Bush detail, but I haven't confirmed it lately...

- Chris
 

ChrisP

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DVP has gone the way of analog signals, DVP hasn't been heard on my Federal channels in many many years.
Actually, I don't know if DVP was ever used on federal channels. When digital encryption first started being used on federal radio systems, I always thought that they were using the federal DES encryption. Digital Voice Privacy, or DVP, was a less secure (shorter key) encryption solution that was sold to non-federal law enforcement by Motorola for a number of years. I think DVP was actually a Motorola trademarked product.

Now days, I think all federal radio encryption is at least AES, or something beyond that. But your point is made, Kenny...

- Chris
 

signal500

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Now days, I think all federal radio encryption is at least AES, or something beyond that. But your point is made, Kenny...

- Chris
I read somewhere that the PPD (presidential protection detail) now uses encryption called Keccak SHA-3 with a key length of 512 bits since April 2014. AES 256 is still approved for top secret information and is used in many federal agencies communications.
 
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