‰  NOW 20 WPM  ‰  TEXT IS FROM MAY 2019  QST  PAGE 62 ‰

OPERATING FREQUENCY.  THIS MEANS THAT THE FREQUENCY OF THE REFERENCE
OSCILLATOR MUST BE ACCURATELY SET FOR THE READOUT TO BE ACCURATE.  THE
FIRST TRANSCEIVER I ADJUSTED WAS A KENWOOD TS 440 THAT HAD A REFERENCE
FREQUENCY OF 36 MHZ.  THE RECOMMENDED ADJUSTMENT WAS TO SET THE REFERENCE
FREQUENCY WITH A FREQUENCY COUNTER.  I SOON FOUND THAT MY THREE COUNTERS
HAD  DISAGREEMENT OF 40 50 HZ AT 36 MHZ AND I DIDNT KNOW WHICH ONE TO
TRUST.  THEN I THOUGHT OF A BETTER WAY TO ADJUST THE REFERENCE FREQUENCY,
USING A VERY ACCURATE 1,000 HZ AUDIO OSCILLATOR AND SCOPE.  I FIRST SET MY
VARIABLE AUDIO OSCILLATOR TO 1,000 HZ AND CHECKED THE FREQUENCY ON ALL
THREE COUNTERS AT 1,000 HZ.  ANY ERROR IN THE COUNTERS AT 1,000 HZ WAS
NEGLIGIBLE.  NEXT, I CONNECTED THE 1,000 HZ SIGNAL TO THE X INPUT OF MY
‰  END OF 20 WPM TEXT  ‰  QST DE W1AW  ƒ