There are parts of the third world where ham homebrewing is based around three standard toroids: "the one from a TV 75/300 balun", "the yellow one from a PC power supply", and "the green one from a PC power supply".
And here we b&m that we don't have u' and u'' curves. Tim N3QE _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK