‰ NOW 25 WPM ‰ TEXT IS FROM SEPTEMBER 2019 QST PAGE 32 ƒ THE SECOND DESIGN GOAL BY KEEPING SWR LOW WITH INCREASING FREQUENCY. FIGURE 4 DETAILS THE OVERALL CONSTRUCTION OF THE SLIGHTLY OFF CENTER FED DIPOLE S OCFD. LOSS THE TRANSMISSION LINES FOR WINDOWS UTILITY CALCULATES THE TOTAL POWER LOST IN A TRANSMISSION LINE, COMPRISING BOTH THE LOSSES THAT WOULD OCCUR IN A MATCHED LINE AND THE ADDITIONAL LOSSES ARISING FROM THE HIGHER VOLTAGES PRODUCED BY MISMATCHED CONDITIONS. USING THE FEED POINT IMPEDANCES TO DETERMINE THE TOTAL FEED LINE LOSS AT EACH FREQUENCY PRODUCES THE RESULTS SHOWN IN TABLE 1. GIVEN THE ADVANTAGES OF BEING ABLE O OPERATE ON EIGHT AMATEUR BANDS BETWEEN 3R5 MHZ AND 30 MHZ WITH A SINGLE WIRE ANTENNA AND FEED LINE, A MAXIMUM LOSS IN THE VICINITY OF 1 DB SEEMS AN CCEPTABLY SMALL PRICE TO PAY. THE BALUN BECAUSE OF THE 200 FEED POINT IMPEDANCE AND THE NATURAL IMBALANCE BETWEEN THE TWO LEGS OF THE S OCFD, A CAREFULLY DESIGNED 4 1 BALUN IS REQUIRED. A LOW POWER, TWO CORE GUANELLA ‰ END OF 25 WPM TEXT ‰ QST DE W1AW ƒ