Original poster: "by way of Terry Fritz <teslalist-at-qwest-dot-net>" <MARTINJFRYML-at-aol-dot-com> To: Bart and the Captain Thank you both for your recommendations. By the way, your Java TC designer on line is great! The secondary is in fact 20 awg, space wound. You may have read the other specs I emailed earlier to the Captain. Thanks again for your help. Martin