Yes. I have no means of measuring this, but based on the physics and
assuming equal quality and equal density of the braid, I would expect
the larger coax to have better shielding.
73, Jim K9YC
On 9/4/2019 12:31 PM, Gedas wrote:
It will depend on who makes the cables you are comparing. If both are
M17 rated then both should be double shielded and use silver coated
copper conductors which is good but some manufactures may use 95% braid
coverage while some may use less. Some may use 95% for both shields
others may use 95% for the outer and less for the inner. Also the angle
of the weave also affects the shielding effectiveness. This SE will also
vary with frequency. But in general, esp for HF use, you will find both
to have similar shielding performance as long as you stick to a known
trusted & respected name brand. Also keep in mind the dielectrics are
totally different between the two.
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