[HomeBrew] Grounding Question Thanks

R. Blackman richard.blackman at sympatico.ca
Sun May 27 10:54:46 EDT 2007


Many thanks to all who responded to my question about mobile and shack 
grounding.

I really appreciate the time that you all took with your logical and well 
reasoned answers.
Considering corrosion, flexibility,  skin effect, surface area and noise 
generation potential,
here is my  action plan so far:

1)  I have removed any braid that is exposed to the outside world on the 
mobile.
This has been replaced with 3/4 inch spraypainted copper strap. For example, 
where
the copper strap exits the trunk space to the trunk lip,  through the 
weather-stripping,
 for a trunk lip  HF antenna mount.

2) I have, for the time being,  retained the 1 inch braid  INSIDE the 
vehicle,  such as between my  seat bolt and the radio chassis,  and inside 
the trunk between the chassis and the  inside  trunk lid. This is to have 
flexibility. I will replace this with copper strap if any signs of corrosion 
/ noise / antenna instability develops.

3) in the shack I will replace all copper braid  with ' flexible' / 
perforated  1/2 inch copper pipe strapping
between all ground lugs, to the common ground connection of an 8 foot copper 
rod  already sunk in the basement floor,
 3 feet from my operating position.

Again, thanks so much for the  well reasoned responses,
I'll let you know how it goes...
Richard VA3NDO 


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