How to make a 4 to 1 balun cheap and easy. Post 1692.
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If you use certain types of Amateur/Ham Radio antennas, such as OCFs (off center fed dipoles) and "longwire" systems, a rugged 4:1 balun will make your antenna more efficient, reduce high SWR, and perhaps protect your rig from serious damage from commode mode currents riding down your coaxial feed line. This video takes you step-by-step through the design, construction, and use of this important antenna accessory.
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Thanks for joining us today.
Aloha es 73 de Russ (KH6JRM).