> Try: > > http://www.lightningrod.com > > They sell all the necessary components (online) and > have a "how-to" section so you can design and build > youe own system. > > 73, Stew K3ND Uh, how about http://www.polyphaser.com/ppc_technical.asp, and within there, http://www.polyphaser.com/datasheets/PTD1016.pdf, among others.