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Re: [CQ-Contest] Multi-Band Bandpass Filters

To: cq-contest@contesting.com
Subject: Re: [CQ-Contest] Multi-Band Bandpass Filters
From: "john@kk9a.com" <john@kk9a.com>
Date: Fri, 20 Feb 2015 06:07:09 -0600
List-post: <cq-contest@contesting.com">mailto:cq-contest@contesting.com>
I have been using the Dunestar 600s for years with no issues. I ran full
SO2R in last weekend's WPX RTTY contest with no interference however I use
monobanders which have natural out of band rejection and I ran low power.
There are certainly better bandpass filters available. K9YC has good
information along with test results on his website.

John KK9A

To:     cq-contest@contesting.com
Subject:        [CQ-Contest] Multi-Band Bandpass Filters
From:   Jeff Clarke <ku8e@bellsouth.net>
Date:   Thu, 19 Feb 2015 16:23:59 -0500

Looking for feedback on multi-band bandpass filters to use for SO2R.

The two I'm considering are the DuneStar 600 and the Array Solutions
II. I've used the Dunestar at our contest station in Bonaire and they seem to
work OK. We have occasionally had to send one back for repair with one of the
band positions not working anymore. Guess we maybe blew it by having it on
wrong band when transmitting.

What are you serious SO2R guys using?

Jeff KU8E

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