An article in one of the popular amateur radio magazines recently suggested
using stainless steel drain strainers in conjunction with stainless steel nuts,
bolts and lockwashers as a way to connect radials together.
You could bolt several such stainless steel kitchen drain strainers
at their perimeters to make a device which would surround your antenna.
One might also visit a "non-ferrous" recycling dealer (scrapyard) and see if
they would sell some stainless steel sheet or plate to you.
If you choose do drill your own stainless sheet or plate, use a drill press, a
quality drill bit. (none of the Harbor Freight garbage) lubricant and steady
On my setup, I use bolts, "nylok" nuts, washers and "star washers" all of
stainless steel. Got the hardware from a marine hardware supplier:
You might also use copper or brass for the grounding plate with stainless
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