= NOW 10 WPM = TEXT IS FROM APRIL 2023 QST PAGE 57 = FROM BELOW 50 HZ TO WELL OVER 20 KHZ. THIS IS, AS STATED EARLIER, A FAR WIDER RESPONSE THAN CAN BE UTILIZED BY THE MODERN TRANSCEIVER. THEY ARE RELATIVELY INEXPENSIVE, AND WITH THE REQUIRED PREAMPLIFIER THEY HAVE AN ADJUSTABLE LOW IMPEDANCE OUTPUT THATS WELL MATCHED TO THE PREAMPLIFIER BUILT INTO ALMOST ALL MODERN HAM TRANSCEIVERS. MOST OF THESE SAME = END OF 10 WPM TEXT = QST DE W1AW <