Arthur Moe <kb7ww@easystreet.com> asks -- >I went through the archives with no luck. Anyone have information on >this Air-dux 195-1 pi net coil. p. 32 in the ad section of my '59 ARRL handbook lists it as a "500 watt pi dux Assembly." Illumitronic Engineering, Sunnyvale CA. No picture. It says that a complete technical data sheet is shipped with each one. That's all I've got ... Jim N6OTQ