| To: | rfi@contesting.com |
|---|---|
| Subject: | Re: [RFI] Daisychaining Grounding [Was: DigiKeyer II] |
| From: | CR <ka5s@earthlink.net> |
| Reply-to: | ka5s@earthlink.net |
| Date: | Fri, 20 Dec 2013 09:39:30 -0500 |
| List-post: | <rfi@contesting.com">mailto:rfi@contesting.com> |
Well, if the objective is to keep all interconnected equipment at the
same potential, we want connections some small fraction of a wavelength
long.
Lead inductance is the problem; EMC Engineer and author Glen Dash (WB9CLJ -- may not be active, no antennas seen on satellite view) used to say "Ground isn't ground the world around"; IIRC, he once suggested using a really big sheet of metal with substantial capacitance as a low inductance RF ground. Cortland KA5S _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi |
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