"Roy Lewallen" wrote in message
...
Tam/WB2TT wrote:

I am using half a cinder block for a similar application. Comes with its
own hole.

Cinder blocks weigh very little. Do you mean concrete block?

Roy Lewallen, W7EL
I am really not into that kind of stuff. Whatever it is, it weighs around
10 # .

Tam/WB2TT