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Re: [CQ-Contest] 10/15 interaction

To: cq-contest@contesting.com, rkmassoc@comcast.net
Subject: Re: [CQ-Contest] 10/15 interaction
From: Bob Henderson <bob.5b4agn@gmail.com>
Date: Thu, 6 Nov 2014 17:14:06 +0000
List-post: <cq-contest@contesting.com">mailto:cq-contest@contesting.com>
Randy

This is 10m RF getting into your 15m yagi. A filter on the 10m amp will
achieve nothing.

You need a coaxial stub on the amplifier end of the feeder to your 15m
mono-bander.

RG213 or similar with VF 0.66 will require a 23ft shorted stub.  This will
null both 20 & 10m RF.

A lot less expensive than an high power BPF.

73 Bob, 5B4AGN
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