Or you can experiment and roll your own. 73, Kermit, AB1J In a message dated 2/2/2012 5:27:00 A.M. GMT Standard Time, ed at w0yk.com writes: Standard, Flutter (FIR), Multipath and any or all of Hypersensitive, AA6YQ and EU1SA. The key is diversity so that odds are increased that at least one decoder will print clear text. Ed - W0YK