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[TowerTalk] HyGain 86 Vs BN 4000

To: towertalk@contesting.com
Subject: [TowerTalk] HyGain 86 Vs BN 4000
From: Dennis W0JX via TowerTalk <towertalk@contesting.com>
Reply-to: Dennis W0JX <w0jx@yahoo.com>
Date: Tue, 10 Feb 2015 07:36:15 -0800
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Don,
The BN 86 is prone to arcing to the ferrite rod especially if the SWR is high 
and you run power.  The BN4000 is essentially a short piece of small diameter 
teflon coax with ferrite beads around it jammed into the same case and filled 
with a hard as nails epoxy.

The problem with the BN4000 is that after years exposed to cold and hat, the 
case cracks. The epoxy filler also expands, and in case, the center conductor 
pulled away from the coax connector. It was quite a job to cut it open and chip 
away at the epoxy and fix the connection. You did the right thing bu going to 
the Balun Designs unit.

73, Dennis W0JX
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