On 1/23/2025 4:30 AM, nlsa@nlsa.com wrote:
Question: I’ll bet that my noise floor could be improved by a better RF connection to Earth,
but how can I do it? What mode does EMI take in this situation? What is “ground” in
a non-metallic enclosure?
The earth is not a sump into which noise is poured. The ONLY reason for
an earth connection, and it is ABOUT LIFE OR DEATH, is LIGHTNING
PROTECTION, and it is required by LAW. So is the bonding of everything.
I would not expect any noise reduction at VHF from an earth connection,
but proper grounding and bonding is required by Electrical Codes, which
are LAW, and for human safety.
73, Jim K9YC
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