Very interesting. Hopefully details on how to drive microwave gear to follow too. I am wondering what to do with the unneeded second crystal. There is no need at all for 146-148 over here. -- View this message in context: http://n2.nabble.com/k144xv-question-tp4205050p4206359.html Sent from the [K3] mailing list archive at Nabble.com.