To: | cq-contest@contesting.com |
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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 _______________________________________________ CQ-Contest mailing list CQ-Contest@contesting.com http://lists.contesting.com/mailman/listinfo/cq-contest |
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