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[TowerTalk] Lightning Bolt Quad

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Subject: [TowerTalk] Lightning Bolt Quad
From: "denis coolican" <>
Date: Wed, 19 Apr 2006 23:02:40 -0600
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This four element Lightning Bolt Quad covers 20, 17, 15, 12 and 10 meters. It 
is fed by a common balum. (one input PL259 and 5 output pairs of conductors)

Does anyone know what type of balum this is and what would be the replacement 
for it?

I imagine the driven elements for each band has an impedance of about 80 to 100 
ohms.  The feed into the balum is 50 ohms.

If a person provides a 2:1 balum for each feed, would the unused balums be 
terminated in 50 ohms or left open?

Any more thoughts on this antenna?

Denis Ve6aq

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