On 12/3/2023 9:23 AM, Bob McGraw wrote:
Jim, K9YC, has very strong merits in that each and every piece of
equipment MUST be bonded to a single common point. I use the station
power supply for my single common bonding point. I DO NOT use an
external dedicated ground as it would be 35 ft in length and serve as an
antenna to pick up noise. After all, that is 1/4 wavelength on 40M.
Yes, but that's a VERY oversimplistic description. Study N0AX's ARRL
book on the topic, to which I contributed, and/or this pdf of slides for
a talk I've done at Visalia, Pacificon, and to various large clubs.
http://k9yc.com/GroundingAndAudio.pdf
The VERY short answer is that everything that's connected to the rig
must be bonded together by short fat copper AT the operating desk. That
common point must be bonded to every other ground in our home, also by
the shortest practical fat copper. In the shack, I mostly use #10
stranded; outside, I use #6 stranded.
73, Jim K9YC
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