= NOW 7 1/2 WPM = TEXT IS FROM DECEMBER 2020 QST PAGE 34 = SI5351. IN MY CASE, THE ACTUAL MEASURED FREQUENCY WAS APPROXIMATELY 375 HZ HIGHER THAN THE PROGRAMMED FREQUENCY, AND I SIMPLY SUBTRACTED 375 HZ PRIOR TO SETTING THE SI5351 SEE THE ARDUINO CODE. WHEN USING THE TRANSMITTER WITH A STATION RECEIVER, IT IS POSSIBLE TO RECEIVE A LOW LEVEL SYNTHESIZER = END OF 7 1/2 WPM TEXT = QST DE W1AW <