‰ NOW 15 WPM ‰ TEXT IS FROM OCTOBER 2012 QST PAGE 98 ‰ SPEAKER MAY BE USED SATISFACTORILY ON FAIRLY STRONG SIGNALS, BUT THIS IS NO DISADVANTAGE SINCE THE SERIOUS C. W. OPERATOR WILL ALWAYS USE HEADPHONES. SPEAKING ABOUT THE FRANK JONES SUPER GAINER IN AN E MAIL TO ME, MICHAEL HOPKINS, AB5L SK SAID, LATER, WHEN HE REFINED THE CONCEPT FOR HF, JONES BEGAN TO USE 455 KC AND PREFERRED A SPECIFIC IRON CORE TRANSFORMER OF THE TYPE USED IN THE MCMURDO SILVER SUPER GAINER KITS IN THE LATE 30S, BUT STILL THE IDEA WAS THE SAME BUILD A ONE TRANSFORMER SUPERHET WITHOUT AN IF ‰ END OF 15 WPM TEXT ‚