[Antennas] coax question

Gary Lee kb9zuv at arrl.net
Thu Sep 9 00:12:19 EDT 2004


Larry:

I drilled out a 2 inch hole in the brick wall and sheetrock of my 
house.  Then, attached an lb elbow (this is an elbow covered in a 
weatherproof plastic box) on the outside and calked around it.
Next I bought a Hoffman electrical box, cut a similar hole in the back, and 
ran a piece of 2 inch pvc conduit from the elbow to this box.
Finally, drilled holes in the door of the box for so239 feedthrough connectors.

The elbow has a weather seal around the front cover, and the hoffman box 
has a rubber gasket around the door, which is held closed with two phillips 
screw clamps.
As an added precaution, I ran a piece of 1/2 inch welding cable from a 
brass bolt through the bottom of the box directly to an 8 foot ground rod 
driven directly below the elbow.
Seems to work well, be weather tight, and looks pretty good as well.
Hope this helps.
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