Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net> A recent post on the NEC-List provided the following link for an article in Applied Microwave and Wireless magazine. <http://www.amwireless-dot-com/archives/2000/v12n11/pg30.pdf>. Interesting discussion of Medhurst, parasitic C on a solenoid, etc.