Hello! The initial Penelope schematic is now on line for your viewing pleasure. Penelope is a 1W PEP, Direct Digital Transmitter for 160m - 6m that plugs into the ATLAS backplane. Ozy or Sasquatch required for operation. < URL:http://www.hamsdr.com/personaldirectory.aspx?id=494 > Enjoy! Lyle KK7P