‰ NOW 7 1/2 WPM ‰ TEXT IS FROM DECEMBER 2012 QST PAGE 50 ‰ WAVELENGTH SYNCHRONOUS TRANSFORMER WERE BEING USED. FOR EXAMPLE, THE WA0RDX ARTICLE SHOWS THAT THE LOW DRIVEN ELEMENT IMPEDANCE OF A YAGI PERHAPS 10 TO 15 CAN BE MATCHED BY CONSTRUCTING THE FEED LINE SECTIONS FROM COAXIAL CABLE WITH A CHARACTERISTIC IMPEDANCE OF. PARALLELING TWO 50 FEED ‰ END OF 7 1/2 WPM TEXT ‰ QST DE W1AW ƒ