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Joined: Thu, Jul 15th 2010, 16:49 Roles: N/A Moderates: N/A

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Balun for Doublet Antenna Mar 4th 2019, 17:26 3 5,640 on 6/3/19

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Balun for Doublet Antenna N8EUI on 6/3/19
Thanks, W1VT for the reply and info.
Balun for Doublet Antenna N8EUI on 4/3/19
I'm building a 40-10 meter doublet for summer field day. I will be feeding it with 450 ohm window line. My antenna tuner only accepts unbalanced feedlines, so I will need a coax to twin lead balun to transition from the 50 ohm tuner to the 450 ohm feed line. My question is what ratio of balun should I use? Conventional wisdom would say a 9:1 balun. Is this correct? Also, should a current or voltage balun be used in this antenna design?

Thank you,
Tom, N8EUI

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