[Elecraft] OT- Coax for ground wire?
Jim Brown
jim at audiosystemsgroup.com
Fri Oct 21 23:22:08 EDT 2011
On 10/21/2011 4:07 PM, Ron D'Eau Claire wrote:
> I think Jim accidentally reversed his meaning about ground lead inductance.
> Lowering the inductance of the ground connection does*not* lengthen the
> effective radiator or "add loss".
No, I didn't accidently reverse my meaning. You missed my point. ANY
length of lead in the "ground" wire adds inductance. The difference in
inductance between a #22 wire and RG8 isn't enough to matter.
Repeat after me (or write it 100 times on the blackboard). "A
connection to earth has NOTHING to do with RF ground, nor does it cure
RFI issues, nor does it make an antenna work better. What DOES matter (a
lot) is the connection of a cable shield to the shielding enclosure of
equipment."
73, Jim K9YC
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