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Re: [CQ-Contest] LP SO2R with no filters?

To: cq-contest@contesting.com
Subject: Re: [CQ-Contest] LP SO2R with no filters?
From: Jim Brown <k9yc@audiosystemsgroup.com>
Reply-to: k9yc@arrl.net
Date: Wed, 17 Jun 2015 08:42:01 -0700
List-post: <cq-contest@contesting.com">mailto:cq-contest@contesting.com>
All good advice, Jeff. On a county expedition for CQP several years ago, N3ZZ fried the front end of his K3. W2VJN's excellent book is a great reference.

73, Jim K9YC

On Tue,6/16/2015 3:14 PM, Jeff AC0C wrote:
And don't let the thought that "I'm only running 100W" be of any consideration. That's +50 dBm and you want to be very much under +20 dBm to avoid damage - and less than that in some cases. I think W2VJN recommends 0 dBm as the damage threshold target. That means you need 30-50 dB of isolation, on every band and directional combo - something which takes time to check out. The isolation is easy to achieve with natural coupling loss and a stub.

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