Encryption - it is the one word that will make any scanner radio listener cringe. Today, we take a brief look at the history of encryption, and also what types of encryption are used today. I also spend a few minutes talking about my thoughts on encryption.  What do you think? All session notes with links to the items we talked about can be found on our website at www.scannerschool.com/session45   Please support the Scanner School podcast.  Visit www.scannerschool.com/support to see how you can help us.  Some of the ways you can support us won't cost you any additional money!