Encryption Defined by Monitoring? Re: [FedCom] 163.9875

[Ken]

I'm wondering how one would tell the difference among the various encryption 
methods used on the air.  Is there an example of the sound of each at a 
particular site?

Ken

----- Original Message ----- 
From: <Signal500 at aol.com>
To: <fedcom at mailman.qth.net>
Sent: Thursday, October 05, 2006 11:03 PM
Subject: [FedCom] 163.9875


> General location: Southwest MO.  FBI currently active.  DES-XL encryption
> analog. No "in the clear" comms at all.
>
> 163.8375 IN  PL 167.9
> 163.9875 OUT