‰  NOW 5 WPM  ‰  TEXT IS FROM JANUARY 2016 QST PAGE 54  ‰

WHAT IS GOING ON INSIDE THE RECEIVER TO PRODUCE THE AUDIO OUTPUT YOU HEAR.
WITHOUT MAKING THIS ARTICLE A TUTORIAL ON SUPERHETERODYNE OR SUPERHET
RECEIVERS, THE FOLLOWING DESCRIBES WHAT HAPPENS WHEN YOU TWIST THE VARIABLE
ƒ  QST DE W1AW  ‰
FREQUENCY OSCILLATOR VFO TUNING KNOB.  ADJUSTING THE VFO KNOB FIGURE A
CHANGES THE LO LOCAL OSCILLATOR FREQUENCY.  THE INCOMING RF SIGNAL MIXES
‰  END OF 5 WPM TEXT  ‰  QST DE W1AW  ƒ