To: | topband@contesting.com |
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Subject: | Re: Topband: FW: The WD8DSB mini-flag antenna (LONG!) |
From: | Jim Brown <jim@audiosystemsgroup.com> |
Reply-to: | jim@audiosystemsgroup.com |
Date: | Thu, 25 Feb 2021 17:02:35 -0800 |
List-post: | <mailto:topband@contesting.com> |
On 2/25/2021 2:29 PM, John Kaufmann via Topband wrote: I hope that everyone realizes that setting a high value for averaging cancels non-correlated noise in spectrum displays, including the waterfall, greatly increasing the visibility of correlated signals and noise. Correlated can be understood as non-random, and includes nearly all ham transmission modes and most electronically generated noise like computer clocks, trash from electronic power handling and switch-mode power supplies.The P3 noise measurement bandwidth was about 100 Hz in my measurements. 73, Jim K9YC _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector |
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