Good reference for the PL tones used by repeaters: http://www.metrocor.net/ctcss.htm Happy New Year, de Ken N9VV On 12/30/2010 7:01 PM, Phil Harman wrote: > ***** High Performance Software Defined Radio Discussion List ***** > Can you please describe exactly what is required e.g tone > frequency(s)/accuracy , level(s) and logic. 1293757726.0