On 12 Mar 2015, at 20:40, Richard O'Neill wrote: > On 3/12/2015 2:35 PM, Joe Leikhim wrote: >> Martha's skill at avoiding a Non Linear Junction Detector > > Wow, how did she do that? Diodes are everywhere and in everything these days. ;-) Certainly, all the ones down my left side ache. Phil M1GWZ