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Re: [CQ-Contest] Antenna Switching

To: cq-contest@contesting.com
Subject: Re: [CQ-Contest] Antenna Switching
From: Jim Brown <k9yc@audiosystemsgroup.com>
Reply-to: k9yc@arrl.net
Date: Thu, 21 Sep 2023 13:48:50 -0700
List-post: <mailto:cq-contest@contesting.com>
On 9/19/2023 10:53 AM, Pavel Perchine wrote:
Jim, I do not believe that there is any antenna switch on this planet which
can provide -100dB isolation on 28MHz, even 75-80dB range is an excellent
achievement...and the number depends on how it is measured.

I measured S21 using a VNWA3E between TX ports with all output ports open circuit.

73, Jim K9YC
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